diff --git a/Collections/Valeriya/Collections.cs b/Collections/Valeriya/Collections.cs
index df4174f..16a0ab5 100644
--- a/Collections/Valeriya/Collections.cs
+++ b/Collections/Valeriya/Collections.cs
@@ -93,7 +93,7 @@ public List<IOutData> ProcessData(IReadOnlyList<IInData> inputData)
 
             for (int i = 0; i < sumsFromSensors.Count; i++)
             {
-                sensorsAverage.Add(new OutData(codesOfSensors[i], sumsFromSensors[i] / countOfValuesFromEachSensor[i]));
+                //sensorsAverage.Add(new OutData(codesOfSensors[i], sumsFromSensors[i] / countOfValuesFromEachSensor[i]));
             }
 
             return sensorsAverage;
diff --git a/Collections/Valeriya/OutData.cs b/Collections/Valeriya/OutData.cs
index 51561e7..965d4f6 100644
--- a/Collections/Valeriya/OutData.cs
+++ b/Collections/Valeriya/OutData.cs
@@ -6,14 +6,5 @@
 
 namespace Collections.Valeriya
 {
-    class OutData : IOutData
-    {
-        public int Code { get; }
-        public double Average { get; }
-        public OutData (int code, double average)
-        {
-            this.Code = code;
-            this.Average = average;
-        }
-    }
+   
 }
diff --git a/Encapsulation/Alina/ComplexNumbers.cs b/Encapsulation/Alina/ComplexNumbers.cs
deleted file mode 100644
index c2d0649..0000000
--- a/Encapsulation/Alina/ComplexNumbers.cs
+++ /dev/null
@@ -1,68 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    class ComplexNumbers
-    {
-        double real;
-        double imaginary;
-        public ComplexNumbers(double real, double imaginary)
-        {
-            this.real = real;
-            this.imaginary = imaginary;
-        }
-        double Real { get { return real; } }
-        double Imaginary { get { return imaginary; } }
-        public static ComplexNumbers operator +(ComplexNumbers operand1, ComplexNumbers operand2)
-        {
-            return new ComplexNumbers(operand1.real + operand2.real, operand2.imaginary + operand2.imaginary);
-        }
-        public static ComplexNumbers operator -(ComplexNumbers operand1, ComplexNumbers operand2)
-        {
-            return new ComplexNumbers(operand1.real - operand2.real, operand2.imaginary - operand2.imaginary);
-        }
-        public static ComplexNumbers operator *(ComplexNumbers operand1, ComplexNumbers operand2)
-        {
-            return new ComplexNumbers((operand1.real * operand2.real - operand1.imaginary * operand2.imaginary), (operand1.real * operand2.imaginary + operand1.imaginary * operand2.real));
-        }
-        public static ComplexNumbers operator *(ComplexNumbers operand1, int coefficient)
-        {
-            return new ComplexNumbers(operand1.real * coefficient, operand1.imaginary * coefficient);
-        }
-        public static ComplexNumbers operator /(ComplexNumbers operand1, ComplexNumbers operand2)
-        {
-            return new ComplexNumbers((operand1.real * operand2.real + operand1.imaginary * operand2.imaginary) / (operand2.imaginary * operand2.imaginary + operand2.real * operand2.real),
-                (operand1.imaginary * operand2.real - operand1.real * operand2.imaginary) / (operand2.imaginary * operand2.imaginary + operand2.real * operand2.real));
-        }
-        public static ComplexNumbers operator /(ComplexNumbers operand1, int denominator)
-        {
-            return new ComplexNumbers(operand1.real / denominator, operand1.imaginary / denominator);
-        }
-        public static bool operator ==(ComplexNumbers operand1, ComplexNumbers operand2)
-        {
-            bool isSame = false;
-            if (operand1.real == operand2.real && operand1.imaginary == operand2.imaginary)
-            {
-                isSame = true;
-            }
-            return isSame;
-        }
-        public static bool operator !=(ComplexNumbers operand1, ComplexNumbers operand2)
-        {
-            bool isSame = false;
-            if (operand1.real != operand2.real || operand1.imaginary == operand2.imaginary)
-            {
-                isSame = true;
-            }
-            return isSame;
-        }
-        public override string ToString()
-        {
-            return String.Format("{0} + {1}i", Real, Imaginary);
-        }
-    }
-}
diff --git a/Encapsulation/Alina/EncapsulationExercises.cs b/Encapsulation/Alina/EncapsulationExercises.cs
index 40a0018..5d77a3f 100644
--- a/Encapsulation/Alina/EncapsulationExercises.cs
+++ b/Encapsulation/Alina/EncapsulationExercises.cs
@@ -10,138 +10,13 @@ class EncapsulationExercises : IEncapsulationExercises
     {
         public void MoneyMoney()
         {
-            Money m1 = new Money(25, 51);
-            Money m2 = new Money(1, 58);
-            Money m3 = new Money(1005);
-            int hrivnas = m1.Hrivnas;
-            Console.WriteLine("{0} грн", hrivnas);
-            int kopecs = m1.Kopeks;
-            Console.WriteLine("{0} коп", kopecs);
-            int hrivnas2 = m2.Hrivnas;
-            Console.WriteLine("{0} грн", hrivnas2);
-            int kopecs2 = m2.Kopeks;
-            Console.WriteLine("{0} коп", kopecs2);
-            int hrivnas3 = m3.Hrivnas;
-            Console.WriteLine("{0} грн", hrivnas3);
-            int kopecs3 = m3.Kopeks;
-            Console.WriteLine("{0} коп", kopecs3);
-            Money m4 = m2 + m3;
-            Console.WriteLine(m4.ToString());
-            Money m5 = m1 - m3;
-            Console.WriteLine(m5.ToString());
-            Money m6 = m1 * 2;
-            Console.WriteLine(m6.ToString());
-            Money m7 = m3 / 5;
-            Console.WriteLine(m7.ToString());
-            bool isMatrix1EqualMatrix2 = m1 == m2;
-            Console.WriteLine(isMatrix1EqualMatrix2);
-            bool isMatrix1NotEqualMatrix2 = m1 != m2;
-            Console.WriteLine(isMatrix1NotEqualMatrix2);
-            bool isMatrix1LargeMatrix2 = m1 > m2;
-            Console.WriteLine(isMatrix1LargeMatrix2);
-            bool isMatrix1LessMatrix2 = m1 < m2;
-            Console.WriteLine(isMatrix1LessMatrix2);
-            Money m12 = Money.Clone(m2);
-            Console.WriteLine(m12);
-
-            //------------------------------------------------------------------
-            //          class Matrix
-
-            int[,] myArr1 = new int[,]
-            {
-                {2,2,2,2,2},
-                {2,2,2,2,2},
-                {2,2,2,2,2},
-            };
-            int[,] myArr2 = new int[,]
-            {
-                {1,1,1,1,1},
-                {1,1,1,1,1},
-                {1,1,1,1,1},
-            };
-            Matrix matrix1 = new Matrix(myArr1);
-            Matrix matrix2 = new Matrix(myArr2);
-            Matrix matrix3 = matrix1 + matrix2;
-            Matrix matrix4 = matrix1 - matrix2;
-            Matrix matrix5 = matrix1 * 5;
-            Matrix.PrintMatrix(matrix1);
-            Matrix.PrintMatrix(matrix3);
-            Matrix.PrintMatrix(matrix5);
-
-            //------------------------------------------------------------------
-            //          class ComplexNumbers
-
-            ComplexNumbers number1 = new ComplexNumbers(4, 8);
-            ComplexNumbers number2 = new ComplexNumbers(3, 7);
-            ComplexNumbers number3 = number1 + number2;
-            ComplexNumbers number4 = number1 - number2;
-            ComplexNumbers number5 = number1 * number2;
-            ComplexNumbers number6 = number1 / number2;
-            ComplexNumbers number7 = number1 * 2;
-            ComplexNumbers number8 = number1 / 2;
-            Console.WriteLine(number1);
-            Console.WriteLine(number4);
-            Console.WriteLine(number5);
-            Console.WriteLine(number6);
-            Console.WriteLine(number7);
-            Console.WriteLine(number8);
-            bool isNumber1EqualNumber2 = number1 == number2;
-            bool isNumber1NotEqualNumber2 = number1 != number2;
-            Console.WriteLine(isNumber1EqualNumber2);
-            Console.WriteLine(isNumber1NotEqualNumber2);
-            
-            Console.ReadKey();
-
+            throw new NotImplementedException();
         }
 
 
         public void WorkPriorityQueue()
         {
-            Student firstStudent = new Student("Alina", "Kylish", 123456789, new DateTime(1988, 4, 3));
-            Student secondStudent = new Student("Elena", "Kylish", 987654321, new DateTime(1987, 8, 15));
-            Student thirdStudent = new Student("Oleg", "Ivanov", 975312468, new DateTime(1992, 11, 20));
-            Student fourthStudent = new Student("Andrey", "Pavlov", 1243576890, new DateTime(1977, 8, 10));
-            PriorityQueue<Student> students = new PriorityQueue<Student>();
-            students.Enqueue(firstStudent, 0);
-            students.Enqueue(secondStudent, 1);
-            students.Enqueue(thirdStudent, 2);
-            students.Enqueue(fourthStudent, 0);
-            Console.WriteLine(students.Count());
-            Console.WriteLine(students.First());
-            Console.WriteLine(students.Last());  
-            students.Dequeue();
-            Console.WriteLine(students.Count());
-            Console.ReadKey();
-            students.Clear();
-            students.Dequeue(); // throw exeption with message "Queue is empty. There is no value in queue"
-        }
-
-        public void WorkCollectionInheritedClasses()
-        {
-            Student firstStudent = new Student("Alina", "Kylish", 123456789, new DateTime(1988, 4, 3));
-            Student secondStudent = new Student("Elena", "Kylish", 987654321, new DateTime(1987, 8, 15));
-            Student thirdStudent = new Student("Oleg", "Ivanov", 975312468, new DateTime(1992, 11, 20));
-            MyDictionary students = new MyDictionary();
-            Tuple<string, string, int> key = new Tuple<string,string,int>("Alina", "Kylish", 123456789);
-            students.Add(firstStudent);
-            if (!students.Contains(key))
-            {
-                Console.WriteLine("This key is not found");
-            }
-            else
-            {
-                Console.WriteLine("This key is found");      
-            }
-
-            MyCollection students1 = new MyCollection();
-            students1.Add(firstStudent);
-            students1.Add(secondStudent);
-            students1.Insert(0, thirdStudent);
-            students1.Add(firstStudent);
-            students1.Remove(firstStudent);
-            students1.Clear();
-            Console.ReadKey();
-
+            throw new NotImplementedException();
         }
     }
 }
diff --git a/Encapsulation/Alina/GeneralizedMatrix.cs b/Encapsulation/Alina/GeneralizedMatrix.cs
deleted file mode 100644
index aef0a83..0000000
--- a/Encapsulation/Alina/GeneralizedMatrix.cs
+++ /dev/null
@@ -1,38 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    class GeneralizedMatrix<T>
-    {
-        T[,] matrix;
-        int matrixHigh;
-        int MatrixHigh { get { return matrixHigh; } }
-        int matrixWidth;
-        int MatrixWidth { get { return matrixWidth; } }
-        public GeneralizedMatrix(int matrixHigh, int matrixWidth)
-        {
-            this.matrixHigh = matrixHigh;
-            this.matrixWidth = matrixWidth;
-            matrix = new T[matrixHigh, matrixWidth];
-        }
-        public GeneralizedMatrix(T[,] matrix)
-        {
-            this.matrix = matrix;
-        }
-        public T this[int row, int col]
-        {
-            get
-            {
-                return matrix[row, col];
-            }
-            set
-            {
-                matrix[row, col] = value;
-            }
-        }
-    }
-}
diff --git a/Encapsulation/Alina/Matrix.cs b/Encapsulation/Alina/Matrix.cs
deleted file mode 100644
index 5f86138..0000000
--- a/Encapsulation/Alina/Matrix.cs
+++ /dev/null
@@ -1,103 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    public class Matrix
-    {
-        int[,] matrix;
-        int matrixHigh;
-        int MatrixHigh { get { return matrixHigh; } }
-        int matrixWidth;
-        int MatrixWidth { get { return matrixWidth; } }
-        public Matrix(int matrixHigh, int matrixWidth)
-        {
-            this.matrixHigh = matrixHigh;
-            this.matrixWidth = matrixWidth;
-            matrix = new int[matrixHigh, matrixWidth];
-        }
-        public Matrix(int[,] matrix)
-        {
-            this.matrix = matrix;
-            this.matrixHigh = matrix.GetLength(0);
-            this.matrixWidth = matrix.GetLength(1);
-        }
-
-        public int this[int index1, int index2]
-        {
-            get
-            {
-                return matrix[index1, index2];
-            }
-            set
-            {
-                matrix[index1, index2] = value;
-            }
-        }
-
-        public static Matrix operator +(Matrix operand1, Matrix operand2)
-        {
-            int[,] sum = new int[operand1.matrixHigh, operand1.matrixWidth];
-            for (int i = 0; i < operand1.matrixHigh; i++)
-            {
-                for (int j = 0; j < operand1.matrixWidth; j++)
-                {
-                    sum[i, j] = operand1[i, j] + operand2[i, j];
-                }
-            }
-            return new Matrix(sum);
-        }
-        public static Matrix operator -(Matrix operand1, Matrix operand2)
-        {
-            int[,] residual = new int[operand1.matrixHigh, operand1.matrixWidth];
-            for (int i = 0; i < operand1.matrixHigh; i++)
-            {
-                for (int j = 0; j < operand1.matrixWidth; j++)
-                {
-                    residual[i, j] = operand1[i, j] - operand2[i, j];
-                }
-            }
-            return new Matrix(residual);
-        }
-        public static Matrix operator *(Matrix operand1, int operand2)
-        {
-            int[,] result = new int[operand1.matrixHigh, operand1.matrixWidth];
-            for (int i = 0; i < operand1.matrixHigh; i++)
-            {
-                for (int j = 0; j < operand1.matrixWidth; j++)
-                {
-                    result[i, j] = operand1[i, j] * operand2;
-                }
-            }
-            return new Matrix(result);
-        }
-        public static Matrix operator /(Matrix operand1, int operand2)
-        {
-            int[,] result = new int[operand1.matrixHigh, operand1.matrixWidth];
-            for (int i = 0; i < operand1.matrixHigh; i++)
-            {
-                for (int j = 0; j < operand1.matrixWidth; j++)
-                {
-                    result[i, j] = operand1[i, j] / operand2;
-                }
-            }
-            return new Matrix(result);
-        }
-
-        public static void PrintMatrix(Matrix matrix)
-        {
-            for (int i = 0; i < matrix.MatrixHigh; i++)
-            {
-                for (int j = 0; j < matrix.matrixWidth; j++)
-                {
-                    Console.Write("{0}", matrix[i, j]);
-                }
-                Console.Write(Environment.NewLine);
-            }
-        }
-
-    }
-}
diff --git a/Encapsulation/Alina/Money.cs b/Encapsulation/Alina/Money.cs
deleted file mode 100644
index 7486376..0000000
--- a/Encapsulation/Alina/Money.cs
+++ /dev/null
@@ -1,95 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    class Money
-    {
-        int kopeks;
-        
-        public int Hrivnas
-        {
-            get
-            {
-                return kopeks / 100;
-            }
-        }
-        public int Kopeks
-        {
-            get
-            {
-                return kopeks%100;
-            }
-        }
-        public int TotalKopeks
-        {
-            get { return kopeks; }
-        }
-        public Money()
-        {
-
-        }
-        public Money(int kopeks)
-            : this(0, kopeks)
-        {
-
-        }
-        public Money(int hrivnas, int kopeks)
-        {
-            this.kopeks = hrivnas*100 + kopeks;
-        }
-
-        public static Money Clone (Money original)
-        {
-            return new Money(original.TotalKopeks);
-        }
-        public static Money operator + (Money operand1, Money operand2)
-        {
-            return new Money(operand1.kopeks + operand2.kopeks);
-        }
-        public static Money operator -(Money operand1, Money operand2)
-        {
-            return new Money(operand1.kopeks - operand2.kopeks);
-        }
-        public static Money operator * (Money operand1, int operand2)
-        {
-            return new Money(operand1.kopeks * operand2);
-        }
-        public static Money operator / (Money operand1, int operand2)
-        {
-            return new Money(operand1.kopeks / operand2);
-        }
-        public static bool operator ==  (Money operand1, Money operand2)
-        {
-            return operand1.kopeks == operand2.kopeks;
-        }
-        public static bool operator != (Money operand1, Money operand2)
-        {
-            return operand1.kopeks != operand2.kopeks;
-        }
-        public static bool operator > (Money operand1, Money operand2)
-        {
-            return operand1.kopeks > operand2.kopeks;
-        }
-        public static bool operator >= (Money operand1, Money operand2)
-        {
-            return operand1.kopeks >= operand2.kopeks;
-        }
-        public static bool operator < (Money operand1, Money operand2)
-        {
-            return operand1.kopeks < operand2.kopeks;
-        }
-        public static bool operator <= (Money operand1, Money operand2)
-        {
-            return operand1.kopeks <= operand2.kopeks;
-        }
-
-        public override string ToString()
-        {
-            return String.Format("{0} грн {1} коп", Hrivnas, Kopeks);
-        }
-    }
-}
diff --git a/Encapsulation/Alina/MyCollection.cs b/Encapsulation/Alina/MyCollection.cs
deleted file mode 100644
index 1575b3c..0000000
--- a/Encapsulation/Alina/MyCollection.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    public class MyCollection: Collection<Student>
-    {
-        protected override void ClearItems()
-        {
-            base.ClearItems();
-            Console.WriteLine("MyCollection was cleared {0}", DateTime.Now);
-        }
-        protected override void RemoveItem(int index)
-        {
-            base.RemoveItem(index);
-            Console.WriteLine("1 item was removed from MyCollection at {0}", DateTime.Now);
-        }
-        protected override void SetItem(int index, Student item)
-        {
-            base.SetItem(index, item);
-            Console.WriteLine("1 item was replaced in MyCollection at {0}", DateTime.Now);
-
-        }
-        protected override void InsertItem(int index, Student item)
-        {
-            base.InsertItem(index, item);
-            Console.WriteLine("1 item was inserted in MyCollection at {1} index, {0}", DateTime.Now, index);
-        }
-
-    }
-}
diff --git a/Encapsulation/Alina/MyDictionary.cs b/Encapsulation/Alina/MyDictionary.cs
deleted file mode 100644
index 2eeea10..0000000
--- a/Encapsulation/Alina/MyDictionary.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    public class MyDictionary : KeyedCollection <Tuple <string, string, int>, Student>
-    {
-        protected override Tuple<string, string, int> GetKeyForItem(Student item)
-        {
-            Tuple<string, string, int> myKey = new Tuple<string, string, int>(item.FirstName, item.LastName, item.PersonalCode);
-            return myKey;
-        }
-    }
-}
diff --git a/Encapsulation/Alina/PriorityQueue.cs b/Encapsulation/Alina/PriorityQueue.cs
deleted file mode 100644
index 9bcc91e..0000000
--- a/Encapsulation/Alina/PriorityQueue.cs
+++ /dev/null
@@ -1,149 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    class PriorityQueue<T> : IPriorityQueue<T>, ICollection<Tuple<int, T>>
-    {
-        SortedDictionary<int, Queue<T>> myQueue = new SortedDictionary<int, Queue<T>>();
-        public void Enqueue(T val, int priority)
-        {
-            if (!myQueue.ContainsKey(priority))
-            {
-                myQueue.Add(priority, new Queue<T>());
-            }
-            myQueue[priority].Enqueue(val);
-        }
-
-        public T Dequeue()
-        {
-            try
-            {
-                return myQueue.First().Value.Dequeue();
-            }
-            catch (Exception e)
-            {
-                throw new Exception("Queue is empty. There is no value in queue", e);
-            }
-        }
-
-        public T First()
-        {
-            try
-            {
-                return myQueue.First().Value.Peek();
-            }
-            catch (Exception e)
-            {
-                throw new Exception("Queue is empty. There is no value in queue", e);
-            }
-        }
-
-        public T First(int priority)
-        {
-            if (!myQueue.ContainsKey(priority) || myQueue[priority].Count == 0)
-            {
-                throw new Exception("There is no value with such priority");
-            }
-            return myQueue[priority].Peek();
-        }
-
-        public T Last()
-        {
-            try
-            {
-                return myQueue.Last().Value.ElementAt(myQueue.Last().Value.Count - 1);
-            }
-            catch (Exception e)
-            {
-                throw new Exception("Queue is empty. There is no value in queue", e);
-            }
-        }
-
-        public T Last(int priority)
-        {
-            if (!myQueue.ContainsKey(priority) || myQueue[priority].Count == 0)
-            {
-                throw new Exception("There is no value with such priority");
-            }
-            return myQueue[priority].Last();
-        }
-
-        public int Count
-        {
-            get { return myQueue.Values.Sum(q => q.Count); }
-        }
-
-        public int GetCount(int priority)
-        {
-            return myQueue[priority].Count;
-        }
-
-        public void Add(Tuple<int, T> item)
-        {
-            if (!myQueue.ContainsKey(item.Item1))
-            {
-                myQueue.Add(item.Item1, new Queue<T>());
-            }
-            myQueue[item.Item1].Enqueue(item.Item2);
-        }
-        public bool Remove(Tuple<int, T> item)
-        {
-            bool isRemoved = false;
-            if (myQueue.ContainsKey(item.Item1))
-            {
-                myQueue.Remove(item.Item1);
-                isRemoved = true;
-            }
-            return isRemoved;
-        }
-        public bool Contains(Tuple<int, T> item)
-        {
-            return myQueue.Values.Any(x => x.Contains(item.Item2));
-        }
-
-        public void CopyTo(Tuple<int, T>[] array, int arrayIndex)
-        {
-            int count = 0;
-            Tuple<int, T>[] tuple = new Tuple<int, T>[myQueue.Values.Sum(q => q.Count)];
-            foreach (var item in myQueue)
-            {
-                tuple[count] = new Tuple<int, T>(item.Key, item.Value.Peek());
-                count++;
-            }
-        }
-        public void Clear()
-        {
-            myQueue.Clear();
-        }
-
-        public bool IsReadOnly
-        {
-            get
-            {
-                return false;
-            }
-        }
-
-        public IEnumerator<Tuple<int, T>> GetEnumerator()
-        {
-            foreach (var key in myQueue)
-            {
-                foreach (var value in key.Value)
-                {
-                    yield return new Tuple<int, T>(key.Key, value);
-                }
-            }
-        }
-
-        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
-        {
-            return GetEnumerator();
-        }
-    }
-}
-
diff --git a/Encapsulation/Alina/Student.cs b/Encapsulation/Alina/Student.cs
deleted file mode 100644
index 1dd8164..0000000
--- a/Encapsulation/Alina/Student.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Alina
-{
-    public class Student
-    {
-        public string FirstName { get; private set; }
-        public string LastName { get; private set; }
-        public DateTime BirthDate { get; private set; }
-        public int PersonalCode { get; private set; }
-        public Student(string firstName, string lastName, int personalCode, DateTime birthDate)
-        {
-            FirstName = firstName;
-            LastName = lastName;
-            PersonalCode = personalCode;
-            BirthDate = birthDate;
-        }
-        public override string ToString()
-        {
-            return String.Format(FirstName, LastName, BirthDate, PersonalCode);
-        }
-    }
-}
diff --git a/Encapsulation/Andrey/EncapsulationExercises.cs b/Encapsulation/Andrey/EncapsulationExercises.cs
index 1e291b7..7cc47ed 100644
--- a/Encapsulation/Andrey/EncapsulationExercises.cs
+++ b/Encapsulation/Andrey/EncapsulationExercises.cs
@@ -8,7 +8,6 @@ namespace Encapsulation.Andrey
 {
     class EncapsulationExercises : IEncapsulationExercises
     {
-
         public void MoneyMoney()
         {
             throw new NotImplementedException();
@@ -19,11 +18,5 @@ public void WorkPriorityQueue()
         {
             throw new NotImplementedException();
         }
-    
-
-        public void WorkCollectionInheritedClasses()
-        {
- 	        throw new NotImplementedException();
-        }
-}
+    }
 }
diff --git a/Encapsulation/Elena/ComplexNumber.cs b/Encapsulation/Elena/ComplexNumber.cs
index 2b81670..82851d5 100644
--- a/Encapsulation/Elena/ComplexNumber.cs
+++ b/Encapsulation/Elena/ComplexNumber.cs
@@ -69,23 +69,17 @@ public float Imegion
             {
                 return new ComplexNumber(operand1.real / div, operand1.imegion / div);
             }
-            else { return null; }
+            else { throw new System.DivideByZeroException();  }
         }
 
         public static bool operator ==(ComplexNumber operand1, ComplexNumber operand2)
         {
-            bool returnValue = false;
-            if (operand1.real == operand2.real && operand1.imegion == operand2.imegion)
-            { returnValue = true; }
-            return returnValue;
+            return operand1.real == operand2.real && operand1.imegion == operand2.imegion;
         }
 
         public static bool operator !=(ComplexNumber operand1, ComplexNumber operand2)
         {
-            bool returnValue = false;
-            if (operand1.real != operand2.real && operand1.imegion != operand2.imegion)
-            { returnValue = true; }
-            return returnValue;
+            return operand1.real != operand2.real && operand1.imegion != operand2.imegion;
         }
 
         public static implicit operator string(ComplexNumber operand1)
diff --git a/Encapsulation/Elena/EncapsulationExercises.cs b/Encapsulation/Elena/EncapsulationExercises.cs
index 58b8cff..125d16c 100644
--- a/Encapsulation/Elena/EncapsulationExercises.cs
+++ b/Encapsulation/Elena/EncapsulationExercises.cs
@@ -22,14 +22,14 @@ public void MoneyMoney()
             float someMoney = (float)m2;
             string amount = (string)m2;
 
-            ComplexNumber c1 = new ComplexNumber(2,3);
+            ComplexNumber c1 = new ComplexNumber(2, 3);
             ComplexNumber c2 = new ComplexNumber(-8, 5);
 
             ComplexNumber c3 = c1 + c2;
             c3 = c1 - c2;
             c3 = c1 * 2;
             c3 = c1 * c2;
-            c3=c1/4;
+            c3 = c1 / 4;
             c3 = c1 / c2;
             string complexNumber = (string)c2;
 
@@ -72,8 +72,8 @@ public void WorkCollectionInheritedClasses()
             collection.Add(new Student() { FirstName = "Victoriya", LastName = "Stashatova", ApplicationDate = new DateTime(2014, 08, 21), personalCode = 2012445566, Rating = 5, BirthDay = new DateTime(1978, 09, 17) });
 
             collection.Insert(2, new Student() { FirstName = "Angelina", LastName = "Kucherova", ApplicationDate = new DateTime(2014, 12, 01), personalCode = 222025566, Rating = 4, BirthDay = new DateTime(1984, 12, 30) });
-            collection.Remove(new Student(){FirstName = "Ivan", LastName = "Ivanov", ApplicationDate = new DateTime(2015, 01, 01), personalCode = 2012365566, Rating = 5, BirthDay = new DateTime(1990, 01, 05)});
-           // collection. .Set(2, new Student() { FirstName = "Sergey", LastName = "Kuprin", ApplicationDate = new DateTime(2013, 12, 08), personalCode = 6545566, Rating = 1, BirthDay = new DateTime(1987, 02, 15) });
+            collection.Remove(new Student() { FirstName = "Ivan", LastName = "Ivanov", ApplicationDate = new DateTime(2015, 01, 01), personalCode = 2012365566, Rating = 5, BirthDay = new DateTime(1990, 01, 05) });
+            // collection. .Set(2, new Student() { FirstName = "Sergey", LastName = "Kuprin", ApplicationDate = new DateTime(2013, 12, 08), personalCode = 6545566, Rating = 1, BirthDay = new DateTime(1987, 02, 15) });
             collection.Clear();
         }
 
diff --git a/Encapsulation/Elena/PriorityQueue.cs b/Encapsulation/Elena/PriorityQueue.cs
index f705137..8f83e23 100644
--- a/Encapsulation/Elena/PriorityQueue.cs
+++ b/Encapsulation/Elena/PriorityQueue.cs
@@ -6,20 +6,20 @@
 
 namespace Encapsulation.Elena
 {
-    
-    public class PriorityQueue<T> :     IPriorityQueue<T>
-                                    ,   ICollection<Tuple<int, T>>
+
+    public class PriorityQueue<T> : IPriorityQueue<T>
+                                    , ICollection<Tuple<int, T>>
     {
-        private int  priority;
+        private int priority;
         private Queue<T> queueForPriority;
-        public SortedSet<PriorityQueue<T>> OurSetWhithData=new SortedSet<PriorityQueue<T>>();//(new SortQueueByPriority());
+        public SortedSet<PriorityQueue<T>> OurSetWhithData = new SortedSet<PriorityQueue<T>>();//(new SortQueueByPriority());
 
         public int Priority
         {
             get { return priority; }
         }
 
-        
+
         public PriorityQueue(int p, Queue<T> q)
         {
             priority = p;
@@ -30,7 +30,6 @@ public void Enqueue(T val, int priority)
         {
             bool isPriorityExist = false;
             foreach (PriorityQueue<T> p in OurSetWhithData)
-                
             {
                 if (p.priority == priority)
                 {
@@ -43,31 +42,31 @@ public void Enqueue(T val, int priority)
             {
                 Queue<T> q = new Queue<T>();
                 q.Enqueue(val);
-                
+
                 OurSetWhithData.Add(new PriorityQueue<T>(priority, q));
             }
 
-           
+
         }
 
         public T Dequeue()
         {
-           if(this.Count<=0)
-           {
-               throw new InvalidOperationException();
-           }
+            if (this.Count <= 0)
+            {
+                throw new InvalidOperationException();
+            }
 
-           return OurSetWhithData.First<PriorityQueue<T>>().queueForPriority.Dequeue();
+            return OurSetWhithData.First<PriorityQueue<T>>().queueForPriority.Dequeue();
         }
 
         public T First()
         {
-           if(this.Count<=0)
-           {
-               throw new InvalidOperationException();
-           }
-                return OurSetWhithData.First<PriorityQueue<T>>().queueForPriority.Peek();
-           
+            if (this.Count <= 0)
+            {
+                throw new InvalidOperationException();
+            }
+            return OurSetWhithData.First<PriorityQueue<T>>().queueForPriority.Peek();
+
         }
 
         public T First(int priority)
@@ -86,16 +85,16 @@ public T First(int priority)
             }
             catch
             { throw new InvalidOperationException(); }
-               
+
         }
 
         public T Last()
         {
-           if(this.Count<=0)
-           {
-               throw new InvalidOperationException();
-           }
-                 return OurSetWhithData.Last<PriorityQueue<T>>().queueForPriority.Last<T>();
+            if (this.Count <= 0)
+            {
+                throw new InvalidOperationException();
+            }
+            return OurSetWhithData.Last<PriorityQueue<T>>().queueForPriority.Last<T>();
         }
 
         public T Last(int priority)
@@ -106,7 +105,7 @@ public T Last(int priority)
                 {
                     if (p.priority == priority)
                     {
-                        return  p.queueForPriority.Last<T>();
+                        return p.queueForPriority.Last<T>();
                     }
 
                 } throw new InvalidOperationException();
@@ -118,28 +117,28 @@ public T Last(int priority)
 
         public int Count
         {
-            get 
+            get
             {
-                int allCount=0;
+                int allCount = 0;
                 try
                 {
                     foreach (PriorityQueue<T> p in OurSetWhithData)
                     {
-                       
-                            allCount += p.queueForPriority.Count();
-                        
+
+                        allCount += p.queueForPriority.Count();
+
                     }
                 }
 
                 catch (InvalidOperationException)
-                {  }
+                { }
                 return allCount;
             }
         }
 
         public int GetCount(int priority)
         {
-            int countInThisQoueu=0;
+            int countInThisQoueu = 0;
             try
             {
                 foreach (PriorityQueue<T> p in OurSetWhithData)
@@ -188,13 +187,13 @@ public bool Contains(Tuple<int, T> item)
             {
                 throw new InvalidOperationException();
             }
-           
+
             return result;
         }
 
         public void CopyTo(Tuple<int, T>[] array, int arrayIndex)
         {
-            int countOfArray=this.Count;
+            int countOfArray = this.Count;
             for (int i = arrayIndex; i < countOfArray; i++)
             {
                 array[i] = new Tuple<int, T>(1, this.Dequeue());
@@ -211,7 +210,7 @@ public bool Remove(Tuple<int, T> item)
             bool isRemove = false;
             if (Contains(item))
             {
- 
+
             }
 
             return isRemove;
@@ -250,20 +249,20 @@ System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
         }
     }
 
-   /* class SortQueueByPriority : IComparer<PriorityQueue<T>>
-    {
+    /* class SortQueueByPriority : IComparer<PriorityQueue<T>>
+     {
         
-        public int Compare(PriorityQueue<T> pq1, PriorityQueue<T> pq2)
-        {
-            int resultOfCompare = 0;
-            if (pq1.Priority > pq2.Priority)
-            { resultOfCompare = 1; }
-            if (pq1.Priority < pq2.Priority)
-            { resultOfCompare = -1; }
-            return resultOfCompare;
-        }
-
-
-    }*/
+         public int Compare(PriorityQueue<T> pq1, PriorityQueue<T> pq2)
+         {
+             int resultOfCompare = 0;
+             if (pq1.Priority > pq2.Priority)
+             { resultOfCompare = 1; }
+             if (pq1.Priority < pq2.Priority)
+             { resultOfCompare = -1; }
+             return resultOfCompare;
+         }
+
+
+     }*/
 }
 
diff --git a/Encapsulation/Encapsulation.csproj b/Encapsulation/Encapsulation.csproj
index b05a217..3885fed 100644
--- a/Encapsulation/Encapsulation.csproj
+++ b/Encapsulation/Encapsulation.csproj
@@ -41,43 +41,20 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Alina\ComplexNumbers.cs" />
     <Compile Include="Alina\EncapsulationExercises.cs" />
-<Compile Include="Alina\PriorityQueue.cs" />
-    <Compile Include="Alina\Matrix.cs" />
-    <Compile Include="Alina\Money.cs" />
-    <Compile Include="Alina\GeneralizedMatrix.cs" />
-    <Compile Include="Alina\MyCollection.cs" />
-    <Compile Include="Alina\MyDictionary.cs" />
-    <Compile Include="Alina\Student.cs" />    
     <Compile Include="Andrey\EncapsulationExercises.cs" />
     <Compile Include="Elena\ComplexNumber.cs" />
     <Compile Include="Elena\EncapsulationExercises.cs" />
     <Compile Include="Elena\Money.cs" />
     <Compile Include="Elena\MyCollection.cs" />
     <Compile Include="Elena\MyDictionary.cs" />
-    <Compile Include="Elena\Number.cs" />
     <Compile Include="Elena\PriorityQueue.cs" />
     <Compile Include="IEncapsulationExercises.cs" />
     <Compile Include="IPriorityQueue.cs" />
-    <Compile Include="Konstantin\ComplexNumber.cs" />
     <Compile Include="Konstantin\EncapsulationExercises.cs" />
-    <Compile Include="Konstantin\Money.cs" />
-    <Compile Include="Konstantin\MyDictionary.cs" />
-    <Compile Include="MatrixExample\MatrixExample.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Valeriya\Double.cs" />
     <Compile Include="Valeriya\EncapsulationExercises.cs" />
-    <Compile Include="Valeriya\Int.cs" />
-    <Compile Include="Valeriya\Matrix.cs" />
-    <Compile Include="Valeriya\Money.cs" />
-    <Compile Include="Valeriya\Number.cs" />
-    <Compile Include="Valeriya\EmptyQueueException.cs" />
-    <Compile Include="Valeriya\MyCollection.cs" />
-    <Compile Include="Valeriya\MyDictionary.cs" />
-    <Compile Include="Valeriya\PriorityQueue.cs" />
-    <Compile Include="Valeriya\Student.cs" />
     <Compile Include="Vladimir\EncapsulationExercises.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Encapsulation/IEncapsulationExercises.cs b/Encapsulation/IEncapsulationExercises.cs
index 6b97690..5f602cd 100644
--- a/Encapsulation/IEncapsulationExercises.cs
+++ b/Encapsulation/IEncapsulationExercises.cs
@@ -11,7 +11,5 @@ interface IEncapsulationExercises
         void MoneyMoney();
 
         void WorkPriorityQueue();
-
-        void WorkCollectionInheritedClasses();
     }
 }
diff --git a/Encapsulation/IPriorityQueue.cs b/Encapsulation/IPriorityQueue.cs
index d714050..050ecdd 100644
--- a/Encapsulation/IPriorityQueue.cs
+++ b/Encapsulation/IPriorityQueue.cs
@@ -8,7 +8,6 @@ namespace Encapsulation
 {
     interface IPriorityQueue <T>
     {
-        
         void Enqueue(T val, int priority);
         T Dequeue();
         T First();
diff --git a/Encapsulation/Konstantin/ComplexNumber.cs b/Encapsulation/Konstantin/ComplexNumber.cs
deleted file mode 100644
index 1ebf392..0000000
--- a/Encapsulation/Konstantin/ComplexNumber.cs
+++ /dev/null
@@ -1,96 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Konstantin
-{
-    class ComplexNumber
-    {
-        public double Real { get; private set;}
-        public double Imaginary { get; private set; }
-        public double Magnitude 
-        {
-            get
-            {
-                return Math.Sqrt(Math.Pow(Real,2)+Math.Pow(Imaginary,2));
-            }
-        }
-
-        public ComplexNumber() { Real=0; Imaginary=0;}
-
-        public ComplexNumber(double real, double imaginary)
-        {
-            Real=real;
-            Imaginary=imaginary;
-        }
-
-        public static ComplexNumber operator+(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return new ComplexNumber(operand1.Real + operand2.Real, operand1.Imaginary + operand2.Imaginary);
-        }
-
-        public static ComplexNumber operator -(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return new ComplexNumber(operand1.Real - operand2.Real, operand1.Imaginary - operand2.Imaginary);
-        }
-
-        public static ComplexNumber operator *(ComplexNumber operand1, int multiplier)
-        {
-            return new ComplexNumber(operand1.Real *multiplier, operand1.Imaginary*multiplier);
-        }
-
-        public static ComplexNumber operator *(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return new ComplexNumber((operand1.Real * operand2.Real-operand1.Imaginary*operand2.Imaginary), (operand1.Imaginary * operand2.Real+operand1.Imaginary*operand2.Imaginary));
-        }
-
-        public static ComplexNumber operator /(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            
-            return new ComplexNumber((operand1.Real * operand2.Real + operand1.Imaginary * operand2.Imaginary) / (operand2.Imaginary * operand2.Imaginary + operand2.Real * operand2.Real),
-                (operand1.Imaginary*operand2.Real-operand1.Real*operand2.Imaginary)/ (operand2.Imaginary * operand2.Imaginary + operand2.Real * operand2.Real));
-        }
-
-        public static ComplexNumber operator /(ComplexNumber operand1, int divisor)
-        {
-            return new ComplexNumber(operand1.Real/divisor, operand1.Imaginary/divisor);
-        }
-
-        public static bool operator ==(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return (operand1.Real == operand2.Real && operand1.Imaginary == operand2.Imaginary);
-        }
-
-        public static bool operator !=(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return (operand1.Real != operand2.Real || operand1.Imaginary != operand2.Imaginary);
-        }
-
-        public static implicit operator string(ComplexNumber operand1)
-        {
-            return String.Format("{0}+{1}i",operand1.Real,operand1.Imaginary);
-        }
-        public override string ToString()
-        {
- 	        return (string)this;
-        }
-        public static bool operator <(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return (operand1.Magnitude < operand2.Magnitude);
-        }
-        public static bool operator >(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return (operand1.Magnitude > operand2.Magnitude);
-        }
-        public static bool operator >=(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return (operand1.Magnitude >= operand2.Magnitude);
-        }
-        public static bool operator <=(ComplexNumber operand1, ComplexNumber operand2)
-        {
-            return (operand1.Magnitude < operand2.Magnitude);
-        }
-    }
-}
diff --git a/Encapsulation/Konstantin/EncapsulationExercises.cs b/Encapsulation/Konstantin/EncapsulationExercises.cs
index 6020a4e..30a5508 100644
--- a/Encapsulation/Konstantin/EncapsulationExercises.cs
+++ b/Encapsulation/Konstantin/EncapsulationExercises.cs
@@ -10,18 +10,7 @@ class EncapsulationExercises : IEncapsulationExercises
     {
         public void MoneyMoney()
         {
-            Money m1 = new Money();
-            Money m2 = new Money(25,51);
-            Money m3 = new Money(1024);
-
-            int hrivnas = m1.Hrivnas;
-            int kopecks = m1.Kopecks;
-
-            Money m4 = m1 + m3;
-            int totalKopecs = (int)m2;
-            float someMoney = (float)m2;
-            string moneyString = (string)m2;
-            string moneyString1 = m2.ToString();
+            throw new NotImplementedException();
         }
 
 
@@ -29,25 +18,5 @@ public void WorkPriorityQueue()
         {
             throw new NotImplementedException();
         }
-
-
-        public void WorkCollectionInheritedClasses()
-        {
-            MyDictionary studentsBase = new MyDictionary();
-            
-            Student st1 = new Student() {firstName = "1", lastName = "2", birthDate = new DateTime(12,12,2012) };
-            Tuple<string, string, DateTime> st1Key = new Tuple<string, string, DateTime>("1", "2", new DateTime(12, 12, 2012));
-
-            if (studentsBase.Contains(st1))
-            {
-                studentsBase.Add(st1);
-                Student st1Copy = studentsBase[st1Key];
-            }
-            else
-            {
-                Console.WriteLine("Student is not found");
-            }
-            
-        }
     }
 }
diff --git a/Encapsulation/Konstantin/Money.cs b/Encapsulation/Konstantin/Money.cs
deleted file mode 100644
index 86aad5c..0000000
--- a/Encapsulation/Konstantin/Money.cs
+++ /dev/null
@@ -1,87 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Konstantin
-{
-    class Money
-    {
-        private int kopecks = 0;
-
-        public int Kopecks { get { return kopecks % 100; } }
-        public int Hrivnas { get { return kopecks / 100; } }
-
-        public Money() { }
-        public Money(int kopecks)
-        {
-            this.kopecks = kopecks;
-        }
-        public Money(int grivnas, int kopecks)
-            : this(kopecks)
-        {
-            this.kopecks += grivnas * 100;
-        }
-
-        public static Money operator +(Money operand1, Money operand2)
-        {
-            return new Money(operand1.kopecks + operand2.kopecks);
-        }
-        public static Money operator -(Money operand1, Money operand2)
-        {
-            return new Money(operand1.kopecks - operand2.kopecks);
-        }
-        public static Money operator *(Money operand1, int operand2)
-        {
-            return new Money(operand1.kopecks * operand2);
-        }
-        public static Money operator /(Money operand1, int operand2)
-        {
-            return new Money(operand1.kopecks / operand2);
-        }
-        public static bool operator ==(Money operand1, Money operand2)
-        {
-            return (operand1.kopecks == operand2.kopecks);
-        }
-        public static bool operator !=(Money operand1, Money operand2)
-        {
-            return (operand1.kopecks != operand2.kopecks);
-        }
-        public static bool operator >(Money operand1, Money operand2)
-        {
-            return (operand1.kopecks > operand2.kopecks);
-        }
-        public static bool operator >=(Money operand1, Money operand2)
-        {
-            return (operand1.kopecks >= operand2.kopecks);
-        }
-        public static bool operator <(Money operand1, Money operand2)
-        {
-            return (operand1.kopecks < operand2.kopecks);
-        }
-        public static bool operator <=(Money operand1, Money operand2)
-        {
-            return (operand1.kopecks <= operand2.kopecks); ;
-        }
-
-        public static implicit operator float(Money operand1)
-        {
-            return ((float)operand1.kopecks / 100);
-        }
-
-        public static implicit operator int(Money operand1)
-        {
-            return operand1.kopecks;
-        }
-
-        public static implicit operator string(Money operand1)
-        {
-            return String.Format("{0} hrivnas, {1} kopecks.", operand1.Hrivnas, operand1.Kopecks);
-        }
-        public override string ToString()
-        {
-            return (string)this;
-        }
-    }
-}
diff --git a/Encapsulation/Konstantin/MyDictionary.cs b/Encapsulation/Konstantin/MyDictionary.cs
deleted file mode 100644
index b3fded6..0000000
--- a/Encapsulation/Konstantin/MyDictionary.cs
+++ /dev/null
@@ -1,46 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Collections.ObjectModel;
-
-namespace Encapsulation.Konstantin
-{
-    public struct Student
-    {
-        public string firstName, lastName;
-        public DateTime birthDate;
-        public int rating, personalCode;
-    }
-    class MyDictionary : KeyedCollection<Tuple<string,string,DateTime>,Student>
-    {
-        protected override Tuple<string, string, DateTime> GetKeyForItem(Student item)
-        {
-            return new Tuple<string, string, DateTime>(item.firstName, item.lastName, item.birthDate);
-        }
-    }
-    class MyCollection : Collection<Student>
-    {
-        protected override void ClearItems()
-        {
-            base.ClearItems();
-            Console.WriteLine("Collection is cleared");
-        }
-        protected override void InsertItem(int index, Student item)
-        {
-            base.InsertItem(index, item);
-            Console.WriteLine("Item is inserted");
-        }
-        protected override void RemoveItem(int index)
-        {
-            base.RemoveItem(index);
-            Console.WriteLine("Item is removed");
-        }
-        protected override void SetItem(int index, Student item)
-        {
-            base.SetItem(index, item);
-            Console.WriteLine("Item is set");
-        }        
-    }
-}
diff --git a/Encapsulation/MatrixExample/MatrixExample.cs b/Encapsulation/MatrixExample/MatrixExample.cs
deleted file mode 100644
index 546078a..0000000
--- a/Encapsulation/MatrixExample/MatrixExample.cs
+++ /dev/null
@@ -1,114 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.MatrixExample
-{
-    interface ICalculator<T>
-    {
-        T Add(T op1, T op2);
-        T Substract(T op1, T op2);
-        // etc....
-    }
-
-    class IntCalculator : ICalculator<int>
-    {
-
-        public int Add(int op1, int op2)
-        {
-            return op1 + op2;
-        }
-
-        public int Substract(int op1, int op2)
-        {
-            return op1 - op2;
-        }
-    }
-
-    class Matrix<T, TCalc> where TCalc : ICalculator<T>, new()
-    {
-        private T[,] data;
-        private readonly static ICalculator<T> calculator = new TCalc();
-
-        public Matrix(int height, int width)
-        {
-            data = new T[height, width];
-        }
-
-        private void CheckIndex(int row, int col)
-        {
-            if (row >= data.GetLength(0) || col >= data.GetLength(1))
-            {
-                throw new IndexOutOfRangeException("Matrix index problem");
-            }
-        }
-
-        public T this[int row, int col]
-        {
-            get
-            {
-                CheckIndex(row, col);
-                return data[row, col];
-            }
-            set
-            {
-                CheckIndex(row, col);
-                data[row, col] = value;
-            }
-        }
-
-        public static Matrix<T, TCalc> operator +(Matrix<T, TCalc> op1, Matrix<T, TCalc> op2)
-        { 
-            int width1 = op1.data.GetLength(1);
-            int width2 = op2.data.GetLength(1);
-            int height1 = op1.data.GetLength(0);
-            int height2 = op2.data.GetLength(0);
-            if(width1 != width2 || height1 != height2)
-            {
-                throw new ApplicationException("Matrixes can not be added");
-            }
-            Matrix<T, TCalc> ret = new Matrix<T, TCalc>(height1, width1);
-            for (int row = 0; row < height1; row++)
-            {
-                for (int col = 0; col < width1; col++)
-                {
-                    ret[row, col] = calculator.Add(op1[row, col], op2[row, col]);
-                }
-            }
-            return ret;
-        }
-
-        public override string ToString()
-        {
-            StringBuilder ret = new StringBuilder();
-            ret.AppendLine(string.Format("Height: {0}\nWidth: {1}", data.GetLength(0), data.GetLength(1)));
-            for (int row = 0; row < data.GetLength(0); row++)
-            {
-                for (int col = 0; col < data.GetLength(1); col++)
-                {
-                    ret.AppendFormat("\t{0}", data[row, col]);
-                }
-                ret.AppendLine();
-            }
-            return ret.ToString();
-        }
-    }
-
-    class MatrixExample
-    {
-        public static void Do()
-        {
-            Matrix<int, IntCalculator> myMatrix1 = new Matrix<int, IntCalculator>(3, 4);
-            Matrix<int, IntCalculator> myMatrix2 = new Matrix<int, IntCalculator>(3, 4);
-            myMatrix1[1, 1] = 5;
-            myMatrix2[1, 1] = 5;
-            Matrix<int, IntCalculator> myMatrix3 = myMatrix1 + myMatrix2;
-            Console.WriteLine(myMatrix1);
-            Console.WriteLine(myMatrix2);
-            Console.WriteLine(myMatrix3);
-            Console.ReadKey(true);
-        }
-    }
-}
diff --git a/Encapsulation/Program.cs b/Encapsulation/Program.cs
index e6bb0e9..fbf3637 100644
--- a/Encapsulation/Program.cs
+++ b/Encapsulation/Program.cs
@@ -33,19 +33,13 @@ static void Main(string[] args)
                     case "Vladimir":
                         exercises = new Vladimir.EncapsulationExercises();
                         break;
-                    case "MatrixExample":
-                        MatrixExample.MatrixExample.Do();
-                        break;
                     default:
-                        Console.WriteLine("Wrong argument. Choose one of: Alina, Andrey, Elena, Konstantin, Valeriya, Vladimir, MatrixExample");
+                        Console.WriteLine("Wrong argument. Choose one of: Alina, Andrey, Elena, Konstantin, Valeriya, Vladimir");
                         break;
                 }
                 if (exercises != null)
                 {
-                   
                     exercises.MoneyMoney();
-                    exercises.WorkPriorityQueue();
-                    exercises.WorkCollectionInheritedClasses();
                 }
             }
         }
diff --git a/Encapsulation/Valeriya/Double.cs b/Encapsulation/Valeriya/Double.cs
deleted file mode 100644
index 46e69d9..0000000
--- a/Encapsulation/Valeriya/Double.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    class Double: Number<double>
-    {
-        public override double Add(double oper)
-        {
-            return oper + value;
-        }
-
-    }
-}
diff --git a/Encapsulation/Valeriya/EmptyQueueException.cs b/Encapsulation/Valeriya/EmptyQueueException.cs
deleted file mode 100644
index 7e55cd9..0000000
--- a/Encapsulation/Valeriya/EmptyQueueException.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    class EmptyQueueException: ApplicationException
-    {
-        public EmptyQueueException(string msg) : base (msg)
-        {
-        }
-    }
-}
diff --git a/Encapsulation/Valeriya/EncapsulationExercises.cs b/Encapsulation/Valeriya/EncapsulationExercises.cs
index bde8ac4..eb3a41d 100644
--- a/Encapsulation/Valeriya/EncapsulationExercises.cs
+++ b/Encapsulation/Valeriya/EncapsulationExercises.cs
@@ -1,105 +1,22 @@
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
 
 namespace Encapsulation.Valeriya
 {
     class EncapsulationExercises : IEncapsulationExercises
     {
-        static Random rnd = new Random();
-
-        public static void PrintQueue(PriorityQueue<int> queue)
-        {
-            for (int i = 0; i < queue.Count; i++)
-            {
-                Console.WriteLine(queue[i]);
-            }
-        }
-
-        public void WorkPriorityQueue()
-        {
-            PriorityQueue<int> intPriorityQueue = new PriorityQueue<int>();
-            int priorityTest;
-            int valueTest;
-            int inputIndexForTestLat;
-            int inputIndexForTestFirst;
-            int inputIndexForTestGetCount;
-            intPriorityQueue.Add(0, rnd.Next(1, 100));
-            intPriorityQueue.Add(1, rnd.Next(1, 100));
-            intPriorityQueue.Add(1, rnd.Next(1, 100));
-            intPriorityQueue.Add(3, rnd.Next(1, 100));
-            intPriorityQueue.Add(5, rnd.Next(1, 100));
-            intPriorityQueue.Add(5, rnd.Next(1, 100));
-            intPriorityQueue.Add(6, rnd.Next(1, 100));
-            intPriorityQueue.Add(7, rnd.Next(1, 100));
-            intPriorityQueue.Add(8, rnd.Next(1, 100));
-            intPriorityQueue.Add(8, rnd.Next(1, 100));
-            intPriorityQueue.Add(8, rnd.Next(1, 100));
-            PrintQueue(intPriorityQueue);
-
-            try
-            {
-                Console.WriteLine("Count of elems = {0}", intPriorityQueue.Count);
-
-                Console.WriteLine("Enter priority to find last elem");
-                Int32.TryParse(Console.ReadLine(), out inputIndexForTestLat);
-                Console.WriteLine("The last elem is {0}", intPriorityQueue.Last(inputIndexForTestLat));
-
-                Console.WriteLine("Enter priority to find first elem");
-                Int32.TryParse(Console.ReadLine(), out inputIndexForTestFirst);
-                Console.WriteLine("The first elem is {0}", intPriorityQueue.First(inputIndexForTestFirst));
-
-                Console.WriteLine("Enter priority to find count elems");
-                Int32.TryParse(Console.ReadLine(), out inputIndexForTestGetCount);
-                Console.WriteLine("Count of elems with priority {0} is {1}", inputIndexForTestGetCount, intPriorityQueue.GetCount(inputIndexForTestFirst));
-
-                Console.WriteLine("The element {0} dequeued", intPriorityQueue.Dequeue());
-                PrintQueue(intPriorityQueue);
-
-                Console.WriteLine("Enter the element<priority, value> to push");
-                Int32.TryParse(Console.ReadLine(), out priorityTest);
-                Int32.TryParse(Console.ReadLine(), out valueTest);
-                intPriorityQueue.Enqueue(valueTest, priorityTest);
-                PrintQueue(intPriorityQueue);
-            }
-            catch (EmptyQueueException e)
-            {
-                Console.WriteLine("Error: The queue is empty", e.Message);
-            }
-
-            Console.ReadKey();
-        }
-
         public void MoneyMoney()
         {
-            Money m = new Money(1018);
-            Money m1 = new Money(26,56);
-            Money m2 = new Money(1, 58);
-            Money m3 = m1 + m2;
-            //Console.WriteLine("string: {0}", m1.ToString());
-            //Console.WriteLine("int: {0}", (int)m1);
-            //Console.WriteLine("float: {0}", (float)m1);
-            //Console.WriteLine(m3);
-            //Console.WriteLine("------------SquarredMatrix------------");
-            SquarredMatrix matrix1 = new SquarredMatrix(3);
-            SquarredMatrix matrix2 = new SquarredMatrix(3);
-            SquarredMatrix matrix3 = matrix1 + matrix2;
-            SquarredMatrix.PrintMatrix(matrix1);
-            SquarredMatrix.PrintMatrix(matrix2);
-            SquarredMatrix.PrintMatrix(matrix3);
-            Console.ReadKey();
+            throw new NotImplementedException();
         }
 
 
-        public void WorkCollectionInheritedClasses()
+        public void WorkPriorityQueue()
         {
-            MyDictionary students = new MyDictionary();
-            students.Add(new Student("Name", "Surname", new DateTime(2015, 9, 8), 100000000));
-            Tuple<string, string, DateTime, int> key = Tuple.Create("Name", "Surname", new DateTime(2015, 9, 8), 100000000);
-            if (students.Contains(key))
-            {
-                Console.WriteLine("Succeed");
-            }
-
-            Console.ReadKey();
+            throw new NotImplementedException();
         }
     }
 }
diff --git a/Encapsulation/Valeriya/Int.cs b/Encapsulation/Valeriya/Int.cs
deleted file mode 100644
index 9139977..0000000
--- a/Encapsulation/Valeriya/Int.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    class Int: Number<int>
-    {
-        public override int Add(int oper)
-        {
-            return oper + value;
-        }
-
-    }
-}
diff --git a/Encapsulation/Valeriya/Matrix.cs b/Encapsulation/Valeriya/Matrix.cs
deleted file mode 100644
index 9f4eee4..0000000
--- a/Encapsulation/Valeriya/Matrix.cs
+++ /dev/null
@@ -1,122 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    class SquarredMatrix
-    {
-        static Random rnd = new Random();
-        double[,] matrix = null;
-        public SquarredMatrix(int sizeOfMatrix)
-        {
-            matrix = new double[sizeOfMatrix, sizeOfMatrix];
-
-            for (int i = 0; i < sizeOfMatrix; i++)
-            {
-                for (int j = 0; j < sizeOfMatrix; j++)
-                {
-                    matrix[i, j] = rnd.Next(-100, 100);
-                }
-            }
-        }
-
-        public SquarredMatrix (double[,] matrixInArray)
-        {
-            matrix  = matrixInArray;
-        }
-
-        public SquarredMatrix()
-        {
-            matrix = new double[2, 2];
-            matrix[0, 0] = 1;
-            matrix[0, 1] = 2;
-            matrix[1, 0] = 3;
-            matrix[1, 1] = 4;
-        }
-
-        public double this[int row, int col]
-        {
-            get { return matrix[row, col]; }
-            set { matrix[row, col] = value; }
-        }
-
-        public static double[,] MatrixToArray(SquarredMatrix inputMatrix)
-        {
-            double[,] result = new double[inputMatrix.SizeOfMatrix, inputMatrix.SizeOfMatrix];
-            result = (double[,])inputMatrix.matrix.Clone();
-            return result;
-        }
-
-        public int SizeOfMatrix
-        {
-            get { return (int)(Math.Sqrt(matrix.Length)); }
-        }
-
-        public static SquarredMatrix operator+ (SquarredMatrix operand1, SquarredMatrix operand2)
-        {
-            SquarredMatrix result = new SquarredMatrix(operand1.SizeOfMatrix);
-
-            for (int i = 0; i < operand1.SizeOfMatrix; i++)
-            {
-                for (int j = 0; j < operand2.SizeOfMatrix; j++)
-                {
-                    result[i, j] = operand1[i, j] + operand2[i, j];
-                }
-            }
-            return result;
-        }
-
-        public static SquarredMatrix operator- (SquarredMatrix operand1, SquarredMatrix operand2)
-        {
-            SquarredMatrix result = new SquarredMatrix(operand1.SizeOfMatrix);
-
-            for (int i = 0; i < operand1.SizeOfMatrix; i++)
-            {
-                for (int j = 0; j < operand2.SizeOfMatrix; j++)
-                {
-                    result[i, j] = operand1[i, j] - operand2[i, j];
-                }
-            }
-            return result;
-        }
-
-        public static SquarredMatrix MultiplyWithIdentityMatrix(SquarredMatrix inputMatrix)
-        {
-            SquarredMatrix result = new SquarredMatrix(inputMatrix.SizeOfMatrix);
-            //copy inputMatrix to result
-            return result;
-        }
-
-        public static void PrintMatrix(SquarredMatrix operand)
-        {
-            for (int i = 0; i < operand.SizeOfMatrix; i++)
-            {
-                for (int j = 0; j < operand.SizeOfMatrix; j++)
-                {
-                    Console.Write(operand[i,j] + " ");
-                }
-                Console.WriteLine("\n");
-            }
-
-            Console.WriteLine("------------------------------");
-        }
-
-    }
-
-    class Matrix<T>
-    {
-        static Random rnd = new Random();
-        private T[,] internalData = null;
-        public Matrix(int width, int height)
-        {
-            internalData = new T[width, height];
-        }
-
-       
-    
-
-    }
-}
diff --git a/Encapsulation/Valeriya/Money.cs b/Encapsulation/Valeriya/Money.cs
deleted file mode 100644
index 5ff4210..0000000
--- a/Encapsulation/Valeriya/Money.cs
+++ /dev/null
@@ -1,106 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    class Money
-    {
-        private int kopeiky;
-        public int Hrivnas
-        {
-            get { return kopeiky / 100; }
-        }
-        public int Kopeyki
-        {
-            get { return kopeiky % 100; }
-
-        }
-        public Money(int hrivnas, int kopeiky)
-        {
-            this.kopeiky = hrivnas * 100 + kopeiky;
-        }
-
-        public Money(int kopeiky)
-        {
-            this.kopeiky = kopeiky;
-        }
-        public Money(): this(0)
-        {
-        }
-
-        public static Money operator+ (Money operand1, Money operand2)
-        {
-            return new Money(operand1.kopeiky + operand2.kopeiky);
-        }
-
-        public static Money operator* (Money operand1, int operand2)
-        {
-            return new Money(operand1.kopeiky * operand2);
-        }
-
-        public static Money operator* (int operand1, Money operand2)
-        {
-            return new Money(operand2.kopeiky * operand1);
-        }
-
-        public static Money operator- (Money operand1, Money operand2)
-        {
-            return new Money(operand1.kopeiky - operand2.kopeiky);
-        }
-
-        public static Money operator/ (int operand1, Money operand2)
-        {
-            return new Money(operand2.kopeiky / operand1);
-        }
-
-        public static bool operator!= (Money operand1, Money operand2)
-        {
-            return operand1.kopeiky != operand2.kopeiky;
-        }
-
-        public static bool operator== (Money operand1, Money operand2)
-        {
-           return operand1.kopeiky == operand2.kopeiky;
-        }
-
-        public static bool operator> (Money operand1, Money operand2)
-        {
-            return operand1.kopeiky > operand2.kopeiky;
-        }
-
-        public static bool operator< (Money operand1, Money operand2)
-        {
-            return operand1.kopeiky < operand2.kopeiky;
-        }
-
-        public static bool operator>= (Money operand1, Money operand2)
-        {
-            return operand1.kopeiky >= operand2.kopeiky;
-        }
-
-        public static bool operator<= (Money operand1, Money operand2)
-        {
-            return operand1.Kopeyki <= operand2.Kopeyki;
-        }
-
-        public override string ToString()
-        {
-            return string.Format("Your sum is {0} kopecs", kopeiky);
-        }
-
-        public static explicit operator int (Money operand)
-        {
-            int kopecs = operand.kopeiky;
-            return kopecs;
-        }
-
-        public static explicit operator float (Money operand)
-        {
-            float kopecs = operand.kopeiky;
-            return kopecs;
-        }
-    }
-}
diff --git a/Encapsulation/Valeriya/MyCollection.cs b/Encapsulation/Valeriya/MyCollection.cs
deleted file mode 100644
index ab16a0e..0000000
--- a/Encapsulation/Valeriya/MyCollection.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Collections.ObjectModel;
-
-namespace Encapsulation.Valeriya
-{
-    class MyCollection<T>: Collection<T>
-    {
-        protected override void ClearItems()
-        {
-            base.ClearItems();
-            Console.WriteLine("Cleared");
-        }
-
-        protected override void RemoveItem(int index)
-        {
-            base.RemoveItem(index);
-            Console.WriteLine("Item removed");
-        }
-
-        protected override void InsertItem(int index, T item)
-        {
-            base.InsertItem(index, item);
-            Console.WriteLine("Item inserted");
-        }
-
-        protected override void SetItem(int index, T item)
-        {
-            base.SetItem(index, item);
-            Console.WriteLine("Item replaced");
-        }
-    }
-}
diff --git a/Encapsulation/Valeriya/MyDictionary.cs b/Encapsulation/Valeriya/MyDictionary.cs
deleted file mode 100644
index 559b22b..0000000
--- a/Encapsulation/Valeriya/MyDictionary.cs
+++ /dev/null
@@ -1,41 +0,0 @@
-using System;
-using System.Collections;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Collections.ObjectModel;
-
-namespace Encapsulation.Valeriya
-{
-    class MyDictionary: KeyedCollection<Tuple<string, string, DateTime, int>, Student>
-    {
-        protected override Tuple<string, string, DateTime, int> GetKeyForItem(Student item)
-        {
-            return Tuple.Create(item.firstName, item.fastName, item.dateOfBirth, item.personalCode);
-        }
-
-        protected override void ClearItems()
-        {
-            base.ClearItems();
-            Console.WriteLine("Cleared");
-        }
-
-        protected override void InsertItem(int index, Student item)
-        {
-            base.InsertItem(index, item);
-            Console.WriteLine("Item inserted");
-        }
-
-        protected override void RemoveItem(int index)
-        {
-            base.RemoveItem(index);
-            Console.WriteLine("Item removed");
-        }
-
-        protected override void SetItem(int index, Student item)
-        {
-            base.SetItem(index, item);
-            Console.WriteLine("Item replaced");
-        }
-    }
-}
diff --git a/Encapsulation/Valeriya/Number.cs b/Encapsulation/Valeriya/Number.cs
deleted file mode 100644
index 82590ce..0000000
--- a/Encapsulation/Valeriya/Number.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    abstract class Number<T>
-    {
-        protected T value;
-
-        public Number(){}
-
-        public Number(T val)
-        {
-            value = val;
-        }
-
-        abstract public T Add(T op1);
-    }
-}
diff --git a/Encapsulation/Valeriya/PriorityQueue.cs b/Encapsulation/Valeriya/PriorityQueue.cs
deleted file mode 100644
index 756a55a..0000000
--- a/Encapsulation/Valeriya/PriorityQueue.cs
+++ /dev/null
@@ -1,172 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    class PriorityQueue <T> : Encapsulation.IPriorityQueue <T>, ICollection<Tuple<int, T>>
-    {
-        List<Tuple<int, T>> priorityQueue;
-
-        public PriorityQueue()
-        {
-            priorityQueue = new List<Tuple<int, T>>();
-        }
-        
-        public Tuple<int, T> this[int elem]
-        {
-            get { return priorityQueue[elem]; }
-            set { priorityQueue[elem] = value; }
-        }
-
-        public void Add(int priority, T value)
-        {
-            priorityQueue.Add(Tuple.Create(priority, value));
-        }
-
-        public int Count
-        {
-            get { return priorityQueue.Count; }
-        }
-
-        public T Dequeue()
-        {
-            T result = GetHighestPriorityElem().Item2;
-
-            if (priorityQueue.Count == 0)
-            {
-                throw new EmptyQueueException("The queue is empty");
-            }
-              
-            return result;
-        }
-
-        public void Enqueue(T val, int priority)
-        {
-            int index = 0;
-            for (int i = 0; i < priorityQueue.Count; i++)
-            {
-                if (priorityQueue[i].Item1 > priority)
-                {
-                    index = i;
-                    break;
-                }
-            }
-
-            priorityQueue.Insert(index, Tuple.Create(priority, val));
-        }
-
-        public T First()
-        {
-            return priorityQueue[0].Item2;
-        }
-
-        public T First(int priority)
-        {
-            T result = priorityQueue[0].Item2;
-            for (int i = 0; i < priorityQueue.Count; i++)
-            {
-                if (priorityQueue[i].Item1 == priority)
-                {
-                    result = priorityQueue[i].Item2;
-                    break;
-                }
-            }
-
-            return result;
-        }
-
-        public int GetCount(int priority)
-        {
-            int count = 0;
-            for (int i = 0; i < priorityQueue.Count; i++)
-            {
-                if (priorityQueue[i].Item1 == priority)
-                {
-                    count++;
-                }
-            }
-
-            return count;
-        }
-
-        public T Last()
-        {
-            return priorityQueue[priorityQueue.Count - 1].Item2;
-        }
-
-        public T Last(int priority)
-        {
-            T result = priorityQueue[0].Item2;
-            for (int i = priorityQueue.Count - 1; i >= 0; i--)
-            {
-                if (priorityQueue[i].Item1 == priority)
-                {
-                    result = priorityQueue[i].Item2;
-                    break;
-                }
-            }
-
-            return result;
-        }
-
-        Tuple<int, T> GetHighestPriorityElem()
-        {
-            Tuple<int, T> minElemInQueue = priorityQueue[0];
-            for (int i = 0; i < priorityQueue.Count; i++)
-            {
-                if (priorityQueue[i].Item1 < minElemInQueue.Item1)
-                {
-                    minElemInQueue = priorityQueue[i];
-                }
-            }
-
-            return minElemInQueue;
-        }
-
-      
-
-        public void Add(Tuple<int, T> item)
-        {
-            priorityQueue.Add(item);
-        }
-
-        public void Clear()
-        {
-            priorityQueue.Clear();
-        }
-
-        public bool Contains(Tuple<int, T> item)
-        {
-            return priorityQueue.Contains(item);
-        }
-
-        public void CopyTo(Tuple<int, T>[] array, int arrayIndex)
-        {
-            priorityQueue.CopyTo(array, arrayIndex);
-        }
-
-        public bool IsReadOnly
-        {
-            get;
-        }
-
-        public bool Remove(Tuple<int, T> item)
-        {
-            return priorityQueue.Remove(item);
-        } 
-        
-        public IEnumerator<Tuple<int, T>> GetEnumerator()
-        {
-                foreach (Tuple<int, T> item in priorityQueue)
-                    yield return item;
-        }
-
-        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
-        {
- 	        return this.GetEnumerator();
-        }
-    }
-}
diff --git a/Encapsulation/Valeriya/Student.cs b/Encapsulation/Valeriya/Student.cs
deleted file mode 100644
index 9a5b42b..0000000
--- a/Encapsulation/Valeriya/Student.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Encapsulation.Valeriya
-{
-    public class Student
-    {
-        public string firstName;
-        public string fastName;
-        public DateTime dateOfBirth;
-        DateTime applicationTime;
-        int Rating;
-        public int personalCode;
-
-        public Student(string firstName, string lastName, DateTime birthDate, int personalCode)
-        {
-            this.firstName = firstName;
-            this.fastName = lastName;
-            this.dateOfBirth = birthDate;
-            this.personalCode = personalCode;
-        }
-    }
-}
diff --git a/Encapsulation/Vladimir/EncapsulationExercises.cs b/Encapsulation/Vladimir/EncapsulationExercises.cs
index 767448f..edd4cef 100644
--- a/Encapsulation/Vladimir/EncapsulationExercises.cs
+++ b/Encapsulation/Vladimir/EncapsulationExercises.cs
@@ -20,11 +20,5 @@ public void MoneyMoney()
         {
             throw new NotImplementedException();
         }
-
-
-        public void WorkCollectionInheritedClasses()
-        {
-            throw new NotImplementedException();
-        }
     }
 }
diff --git a/Miner/IMinerGame.cs b/Miner/IMinerGame.cs
index dc094dd..2a7fb90 100644
--- a/Miner/IMinerGame.cs
+++ b/Miner/IMinerGame.cs
@@ -9,7 +9,6 @@ namespace Miner
     enum CellStatus { 
         NotOpened = -1,
         Empty = 0, 
-        /*don't change the order*/
         OneAround, TwoAround, ThreeAround, FourAround, FiveAround, SixAround, SevenAround, EightAround,
         HasMine = 100
     }
@@ -42,9 +41,6 @@ interface IMinerGame
         /// <returns>status of cell (not opened, empty, has mine, does not have mine but has some mines around)</returns>
         CellStatus this[int row, int col] { get; }
 
-
-
-
         int Width { get; }
         int Height { get; }
     }
diff --git a/Miner/Miner.csproj b/Miner/Miner.csproj
index 7ea645e..c377b2b 100644
--- a/Miner/Miner.csproj
+++ b/Miner/Miner.csproj
@@ -53,7 +53,6 @@
     <Compile Include="Konstantin\MinerGameFactory.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Valeriya\GameCell.cs" />
     <Compile Include="Valeriya\MinerGame.cs" />
     <Compile Include="Valeriya\MinerGameFactory.cs" />
     <Compile Include="Vladimir\MinerGame.cs" />
diff --git a/Miner/Program.cs b/Miner/Program.cs
index b93191a..e991914 100644
--- a/Miner/Program.cs
+++ b/Miner/Program.cs
@@ -72,12 +72,11 @@ static void Main(string[] args)
                     }
                     catch (Exception e)
                     {
-                        Console.WriteLine(e);
+                        Console.WriteLine("Something was wrong with {0}", factory.ToString());
                     }
                     Console.WriteLine("Factory {0} done.", factory.ToString());
                 }
             } // args
-            Console.ReadKey();
         }
 
         static void Assert(bool condition, string message)
diff --git a/Miner/Valeriya/GameCell.cs b/Miner/Valeriya/GameCell.cs
deleted file mode 100644
index 4f2fe58..0000000
--- a/Miner/Valeriya/GameCell.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Miner.Valeriya
-{
-    class GameCell
-    {
-        public bool IsOpened { get; set; }
-        public bool IsEmpty { get; set; }
-        public int CountOfBombsAround{ get; set; }
-
-        public GameCell(bool isEmpty, bool isOpened)
-        {
-            IsEmpty = isEmpty;
-            IsOpened = isOpened;
-            CountOfBombsAround = 0;
-        }
-
-
-    }
-}
diff --git a/Miner/Valeriya/MinerGame.cs b/Miner/Valeriya/MinerGame.cs
index 8015e31..28b0cdc 100644
--- a/Miner/Valeriya/MinerGame.cs
+++ b/Miner/Valeriya/MinerGame.cs
@@ -6,220 +6,52 @@
 
 namespace Miner.Valeriya
 {
-    
     class MinerGame : IMinerGame
     {
-        private bool isGameEmpty;
-        private bool isGameStarted = false;
-        private bool isGameLost;
-        private bool isGameWon;
-        int gameFieldWidth = 0;
-        int gameFieldHeight = 0;
-        int countOfOpenedCells = 0;
-        int countOfSetBombs = 0;
-        static Random rand = new Random();
-        GameCell[,] gameField;
-        public MinerGame (int rowNumber, int collNumber)
-        {
-            isGameEmpty = true;
-            gameField = new GameCell[rowNumber, collNumber];
-            for (int i = 0; i < rowNumber; i++)
-            {
-                for (int j = 0; j < collNumber; j++)
-                {
-                    gameField[i,j] = new GameCell(isEmpty: true, isOpened: false);
-                }
-            }
-            gameFieldWidth = collNumber;
-            gameFieldHeight = rowNumber;
-        }
-
-        public MinerGame (int rowNumber, int collNumber, int countOfBombs)
-        {
-            isGameEmpty = false;
-            gameField = new GameCell[rowNumber,collNumber];
-            for (int i = 0; i < rowNumber; i++)
-            {
-                for (int j = 0; j < collNumber; j++)
-                {
-                    gameField[i, j] = new GameCell(isEmpty: true, isOpened: false);
-                }
-            }
-            gameFieldWidth = rowNumber;
-            gameFieldHeight = collNumber;
-            while (countOfBombs != 0)
-            {
-                int i = rand.Next(0, rowNumber);
-                int j = rand.Next(0, collNumber);
-                if (SetBomb(i, j))
-                {
-                    countOfBombs--;
-                }
-            }
-        }
-
         public bool SetBomb(int row, int col)
         {
-            bool bombIsSet = false;
-            if (IsCellWithinField(row, col) && gameField[row, col].IsEmpty && !isGameStarted && !gameField[row, col].IsOpened)
-            {
-                gameField[row,col].IsEmpty = false;
-                if (IsCellWithinField(row - 1, col - 1) && col - 1 < Width && gameField[row - 1,col - 1].IsEmpty)
-                {
-                    gameField[row - 1, col - 1].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row - 1, col) && gameField[row - 1, col].IsEmpty)
-                {
-                    gameField[row - 1, col].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row - 1, col + 1) && gameField[row - 1, col + 1].IsEmpty)
-                {
-                    gameField[row - 1, col + 1].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row, col - 1) && gameField[row, col - 1].IsEmpty)
-                {
-                    gameField[row, col - 1].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row, col + 1) && gameField[row, col + 1].IsEmpty)
-                {
-                    gameField[row, col + 1].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row + 1, col - 1) && gameField[row, col].IsEmpty)
-                {
-                    gameField[row + 1, col - 1].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row + 1, col) && gameField[row + 1, col].IsEmpty)
-                {
-                    gameField[row + 1, col].CountOfBombsAround++;
-                }
-                if (IsCellWithinField(row + 1, col + 1) && gameField[row + 1, col + 1].IsEmpty)
-                {
-                    gameField[row + 1, col + 1].CountOfBombsAround++;
-                }
-                bombIsSet = true;
-                countOfSetBombs++;
-            }
-
-            return bombIsSet;
+            throw new NotImplementedException();
         }
 
         public bool IsGameStarted
         {
-            get { return isGameStarted; }
+            get { throw new NotImplementedException(); }
         }
 
         public void Start()
         {
-            isGameStarted = true;
+            throw new NotImplementedException();
         }
 
         public bool Win
         {
-            get
-            {
-                if (gameField.Length - countOfOpenedCells == countOfSetBombs)
-                {
-                    isGameWon = true;
-                }
-
-                return isGameWon;
-            }
+            get { throw new NotImplementedException(); }
         }
 
         public bool Lose
         {
-            get { return isGameLost; }
+            get { throw new NotImplementedException(); }
         }
 
         public bool OpenCell(int row, int col)
         {
-            if (IsCellWithinField(row, col) && !gameField[row, col].IsOpened && isGameStarted)
-            {
-                if (!gameField[row, col].IsEmpty)
-                {
-                    isGameLost = true;
-                }
-                gameField[row, col].IsOpened = true;
-                countOfOpenedCells++;
-            }
-
-            return gameField[row, col].IsOpened;
+            throw new NotImplementedException();
         }
 
         public CellStatus this[int row, int col]
         {
-            get {
-                CellStatus statusOfCell = 0;
-                if (gameField[row, col].IsEmpty)
-                {
-                    statusOfCell = CellStatus.Empty;
-                }
-                else if (!gameField[row, col].IsEmpty && !gameField[row,col].IsOpened)
-                {
-                    statusOfCell = CellStatus.HasMine;
-                }
-                else if (!gameField[row, col].IsOpened)
-                {
-                    statusOfCell = CellStatus.NotOpened;
-                }
-                if (gameField[row, col].CountOfBombsAround == 1)
-                {
-                    statusOfCell = CellStatus.OneAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 2)
-                {
-                    statusOfCell = CellStatus.TwoAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 3)
-                {
-                    statusOfCell = CellStatus.ThreeAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 4)
-                {
-                    statusOfCell = CellStatus.FourAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 5)
-                {
-                    statusOfCell = CellStatus.FiveAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 6)
-                {
-                    statusOfCell = CellStatus.SixAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 7)
-                {
-                    statusOfCell = CellStatus.SevenAround;
-                }
-                if (gameField[row, col].CountOfBombsAround == 8)
-                {
-                    statusOfCell = CellStatus.EightAround;
-                }
-                return statusOfCell;
-            }
+            get { throw new NotImplementedException(); }
         }
 
-        bool IsCellWithinField (int row, int col)
-        {
-            bool isCellInField = false;
-            if (row >= 0 && row < Width && col >= 0 && col < Height)
-            {
-                isCellInField = true;
-            }
-
-            return isCellInField;
-        }
 
         public int Width
         {
-            get { return gameFieldWidth; }
+            get { throw new NotImplementedException(); }
         }
 
         public int Height
         {
-            get { return gameFieldHeight; }
+            get { throw new NotImplementedException(); }
         }
-
-        
-
     }
 }
diff --git a/Miner/Valeriya/MinerGameFactory.cs b/Miner/Valeriya/MinerGameFactory.cs
index 2543666..6dd8c10 100644
--- a/Miner/Valeriya/MinerGameFactory.cs
+++ b/Miner/Valeriya/MinerGameFactory.cs
@@ -10,64 +10,23 @@ class MinerGameFactory : IMinerGameFactory
     {
         public IMinerGame NewEmptyGame(string playerName, Tuple<int, int> rowsCols)
         {
-            MinerGame NewEmptyGame = new MinerGame(rowsCols.Item1, rowsCols.Item2);
-            return NewEmptyGame;
+            throw new NotImplementedException();
         }
 
         public IMinerGame NewRandomGame(string playerName, Tuple<int, int> rowsCols, int bombs)
         {
-            MinerGame NewRandomGame = new MinerGame(rowsCols.Item1, rowsCols.Item2, bombs);
-            return NewRandomGame;
+            throw new NotImplementedException();
         }
 
         internal void Test()
         {
-            int Width = 0;
-            int Height = 0;
-            int bombs = 0;
-            int currRow = 0;
-            int currCol = 0;
-            Console.WriteLine("Hello, I'm a Miner game, please, choose type of game:\nFor Empty game type 0\nFor Random game type 1");
-            string typeOfGame = Console.ReadLine();
-            Console.WriteLine("Please, enter your name");
-            string playerName = Console.ReadLine();
-            Console.WriteLine("Please, enter field Width = ");
-            Int32.TryParse(Console.ReadLine(), out Width);
-            Console.WriteLine("Please, enter field Height = ");
-            Int32.TryParse(Console.ReadLine(), out Height);
-
-            switch (typeOfGame)
-            {
-                case "0":
-                    IMinerGame emptyGame = NewEmptyGame(playerName, new Tuple<int, int>(Width, Height));
-                    break;
-                case "1":
-                    Console.WriteLine("Please, specify number of bombs on the field");
-                    Int32.TryParse(Console.ReadLine(), out bombs);
-                    IMinerGame randomGame = NewRandomGame(playerName, new Tuple<int, int>(Width, Height), bombs);
-                    randomGame.Start();
-                    while (!randomGame.Win && !randomGame.Lose)
-                    {
-                        Console.WriteLine("Choose a cell to open (enter row, that collum)");
-                        Int32.TryParse(Console.ReadLine(), out currRow);
-                        Int32.TryParse(Console.ReadLine(), out currCol);
-                        randomGame.OpenCell(currRow, currCol);
-                    }
-                    if (randomGame.Win)
-                    {
-                        Console.WriteLine("{0} the Victory is yours!", playerName);
-                    }
-                    else
-                    {
-                        Console.WriteLine("Game over:(");
-                    }
-                    break;
-            }
+            throw new NotImplementedException();
         }
 
+
         void IMinerGameFactory.Test()
         {
             throw new NotImplementedException();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Miner/Vladimir/MinerGame.cs b/Miner/Vladimir/MinerGame.cs
index 9cb0f22..0fde14f 100644
--- a/Miner/Vladimir/MinerGame.cs
+++ b/Miner/Vladimir/MinerGame.cs
@@ -10,205 +10,48 @@ class MinerGame : IMinerGame
     {
         public bool SetBomb(int row, int col)
         {
-            bool answer = false;
-            if ((row < Height && col < Width) && (row >= 0 && col >= 0) && canMakeBomb)
-            {
-                if (!poleGame[row][col].yesOrNoBomb)
-                {
-                    countBomb++;
-                }
-
-                poleGame[row][col].yesOrNoBomb = true;
-                answer = true;
-            }
-            return answer;
+            throw new NotImplementedException();
         }
 
         public bool IsGameStarted
         {
-            get { return isStartedGame; }
+            get { throw new NotImplementedException(); }
         }
 
         public void Start()
         {
-            WeightCells();
-            canMakeBomb = false;
-            isStartedGame = true;
+            throw new NotImplementedException();
         }
 
         public bool Win
         {
-            get { return win; }
+            get { throw new NotImplementedException(); }
         }
 
         public bool Lose
         {
-            get { return lose; }
+            get { throw new NotImplementedException(); }
         }
 
         public bool OpenCell(int row, int col)
         {
-            bool answer = false;
-            if ((row < Height && col < Width) && (row >= 0 && col >= 0) && isStartedGame)
-            {
-                poleGame[row][col].openCell = true;
-                checkWin();
-
-                if (poleGame[row][col].yesOrNoBomb)
-                {
-                    lose = true;
-                }
-                answer = true;
-            }
-            return answer;
-        }
-
-        private void checkWin()
-        {
-            int countCells = 0;
-            for (int i = 0; i < height; i++)
-            {
-                for (int j = 0; j < width; j++)
-               {
-                   if (poleGame[i][j].openCell && !poleGame[i][j].yesOrNoBomb)
-                   {
-                       countCells++;
-                   }
-               }
-            }
-            win = (countCells == width*height-countBomb);
+            throw new NotImplementedException();
         }
 
-
         public CellStatus this[int row, int col]
         {
-            get
-            {
-                CellStatus answer = CellStatus.NotOpened;
-                if (!IsGameStarted || poleGame[row][col].openCell)
-                {
-                    if (poleGame[row][col].yesOrNoBomb)
-                    {
-                        answer = CellStatus.HasMine;
-                    }
-                    else
-                    {
-                        answer = (CellStatus)poleGame[row][col].weightCells;
-                    }
-                }
-                
-                return answer;
-            }
+            get { throw new NotImplementedException(); }
         }
 
+
         public int Width
         {
-            get { return width; }
+            get { throw new NotImplementedException(); }
         }
 
         public int Height
         {
-            get { return height; }
-        }
-
-        // ------------- объявление структур и переменных ------------------------------
-        private bool isStartedGame = false;
-        private bool canMakeBomb = true;
-        private bool win = false;
-        private bool lose = false;
-        private int countBomb = 0;
-
-        private struct CellsGame
-        {
-            public bool yesOrNoBomb;          // наличие вомбы в клетке T/F
-            public int weightCells;           // вес клетки (по количеству бомб в соседних клетках)
-            public bool flagOfPlayer;         // наличие флага игрока в клетке T/F
-            public bool qгestionOfPlayer;     // наличие вопроса игрока в клетке T/F
-            public bool openCell;             // признак Открыта/Закрыта клетка
-        }
-
-        public bool OpenStatus (int row, int col)
-        {
-            return poleGame[row][col].openCell;
-        }
-
-        public void SetCanMakeBomb(bool inCanMakeBomb)
-        {
-            if (!IsGameStarted)
-            {
-                canMakeBomb = inCanMakeBomb;
-            }
+            get { throw new NotImplementedException(); }
         }
-
-        public int CountBomb
-        {
-            get { return countBomb; }
-        }
-
-        private int height, width;
-        private CellsGame[][] poleGame;
-
-        public MinerGame(Tuple<int, int> rowsCols)
-        {
-            height = rowsCols.Item1; // height = rowsCols.Item2;                            под старый тест мастера
-            width = rowsCols.Item2; // width = rowsCols.Item1;                              под старый тест мастера
-
-            poleGame = new CellsGame[Height][]; // poleGame = new CellsGame[Width][];       под старый тест мастера
-
-            for (int i = 0; i < Height; i++) // for (int i = 0; i < Width ; i++)            под старый тест мастера
-            {
-                poleGame[i] = new CellsGame[Width]; // poleGame[i] = new CellsGame[Height]; под старый тест мастера
-                for (int j = 0; j < Width; j++)     // for (int j = 0; j < Height; j++)     под старый тест мастера
-                {
-                    poleGame[i][j].yesOrNoBomb = false;
-                    poleGame[i][j].weightCells = 0;
-                    poleGame[i][j].flagOfPlayer = false;
-                    poleGame[i][j].qгestionOfPlayer = false;
-                    poleGame[i][j].openCell = false;
-                }
-            }
-        }
-
-        //------------------------подсчет веса клетки--------------------------------
-        private void WeightCells()
-        {
-            // Создание и инициализация массива с нулевыми первыми и последними строками и солбцами
-            int[][] workArray = new int[poleGame.Length + 2][];
-            int secondIndex = poleGame[0].Length;
-
-            for (int i = 0; i < poleGame.Length + 2; i++)
-            {
-                workArray[i] = new int[secondIndex + 2];
-            }
-
-            // Подсчет весов ячеек входного массива (вес ячейки = сумма количества бомб в окружающих ячейках)
-            // Заливка значений входного массива в массив, в котором значения 1-й, последней строки и столбы = 0
-            for (int i = 0; i < poleGame.Length; i++)
-            {
-                for (int j = 0; j < poleGame[i].Length; j++)
-                {
-                    workArray[i + 1][j + 1] = poleGame[i][j].yesOrNoBomb ? 1 : 0;
-                }
-            }
-            // Посчет весов ячеек входного массива (вес ячейки = количества бомб в окружающих ячейках)
-            int indexI = 1;
-            for (int i = 0; i < poleGame.Length; i++)
-            {
-                int indexJ = 1;
-                for (int j = 0; j < poleGame[i].Length; j++)
-                {
-                    poleGame[i][j].weightCells = workArray[indexI - 1][indexJ - 1] + workArray[indexI - 1][indexJ] + workArray[indexI - 1][indexJ + 1] +
-                                                  workArray[indexI][indexJ - 1] + workArray[indexI][indexJ + 1] +
-                                                  workArray[indexI + 1][indexJ - 1] + workArray[indexI + 1][indexJ] + workArray[indexI + 1][indexJ + 1];
-                    indexJ++;
-                }
-                indexI++;
-            }
-
-
-        }
-        
-        //------------------------
-
     }
 }
diff --git a/Miner/Vladimir/MinerGameFactory.cs b/Miner/Vladimir/MinerGameFactory.cs
index 8ef5054..351833f 100644
--- a/Miner/Vladimir/MinerGameFactory.cs
+++ b/Miner/Vladimir/MinerGameFactory.cs
@@ -10,114 +10,23 @@ class MinerGameFactory : IMinerGameFactory
     {
         public IMinerGame NewEmptyGame(string playerName, Tuple<int, int> rowsCols)
         {
-            MinerGame game = new MinerGame(rowsCols);
-            return game;
+            throw new NotImplementedException();
         }
 
         public IMinerGame NewRandomGame(string playerName, Tuple<int, int> rowsCols, int bombs)
         {
-            MinerGame game = new MinerGame(rowsCols);
-
-            // установка бомб
-            Random rand = new Random();
-            while (game.CountBomb < bombs)
-            {
-                game.SetBomb(rand.Next(0, rowsCols.Item1 - 1), rand.Next(0, rowsCols.Item2 - 1));
-            }
-            game.SetCanMakeBomb(false);
-
-            return game;
+            throw new NotImplementedException();
         }
 
         internal void Test()
         {
-            do
-            {
-                int row = 5;  // размеры поля   row = 5;
-                int col = 4;  //                col = 4;
-                int i = 0;    // координаты открываемой клетки
-                int j = 0;
-
-                IMinerGame game = NewRandomGame("Vladimir", new Tuple<int, int>(row, col), 8);
-                game.Start();
-
-                Console.Clear();
-                Console.SetCursorPosition(0, 0);
-
-                do
-                {  
-                    Console.Write("Введите, пожалуйста, координату I (целое число от 1 до {0}): ", row);
-                    while (!int.TryParse(Console.ReadLine(), out i) || i > row || i<1)
-                    {
-                        Console.Write("Попробуйте еще раз. Число должно быть целым от 1 до (включительно) {0}: ", row);
-                    }
-
-                    Console.Write("Введите, пожалуйста, координату J (целое число от 1 до {0}): ", col);
-                    while (!int.TryParse(Console.ReadLine(), out j) || j > col || j < 1)
-                    {
-                        Console.Write("Попробуйте еще раз. Число должно быть целым от 1 до (включительно) {0}: ", col);
-                    }
-
-                    game.OpenCell(i-1,j-1);
-
-                    PrintPole(game);
-                }
-                while (game.Win != true && game.Lose != true);
-                if (game.Win)
-                {
-                    Console.WriteLine("Будьте здоровы! Вы выиграли!");
-                }
-                else if (game.Lose)
-                {
-                    Console.WriteLine("Попробуйте снова. Увы, этот сет Вы проиграли");
-                }
-
-                Console.WriteLine("Для выхода нажмите Escape; для продолжения - любую другую клавишу");
-            }
-            while (Console.ReadKey().Key != ConsoleKey.Escape);
+            throw new NotImplementedException();
         }
 
-        void PrintPole(IMinerGame game)
-        {
-            for (int poleRow = 0; poleRow < game.Height; poleRow++)
-            {
-                for (int poleCol = 0; poleCol < game.Width; poleCol++)
-                {
-                    switch (game[poleRow, poleCol])
-                    {
-                        case CellStatus.NotOpened:   Console.Write("-");
-                            break;
-                        case CellStatus.Empty:       Console.Write("0");  // открывать все с нулевым весом! 
-                            break;
-                        case CellStatus.OneAround:   Console.Write("1");
-                            break;
-                        case CellStatus.TwoAround:   Console.Write("2");
-                            break;
-                        case CellStatus.ThreeAround: Console.Write("3");
-                            break;
-                        case CellStatus.FourAround:  Console.Write("4");
-                            break;
-                        case CellStatus.FiveAround:  Console.Write("5");
-                            break;
-                        case CellStatus.SixAround:   Console.Write("6");
-                            break;
-                        case CellStatus.SevenAround: Console.Write("7");
-                            break;
-                        case CellStatus.EightAround: Console.Write("8");
-                            break;
-                        case CellStatus.HasMine:     Console.Write("M");
-                            break;
-                        default: Console.Write("что-то не то");
-                            break;
-                    } 
-                } Console.WriteLine();
-            }
-        }
 
         void IMinerGameFactory.Test()
         {
             throw new NotImplementedException();
         }
-
-  }
+    }
 }
diff --git a/VeterinaryAlina/App.config b/VeterinaryAlina/App.config
deleted file mode 100644
index 8e15646..0000000
--- a/VeterinaryAlina/App.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
-    </startup>
-</configuration>
\ No newline at end of file
diff --git a/VeterinaryAlina/Program.cs b/VeterinaryAlina/Program.cs
deleted file mode 100644
index c275eb4..0000000
--- a/VeterinaryAlina/Program.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace VeterinaryAlina
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-        }
-    }
-}
diff --git a/VeterinaryAlina/Properties/AssemblyInfo.cs b/VeterinaryAlina/Properties/AssemblyInfo.cs
deleted file mode 100644
index c3209c9..0000000
--- a/VeterinaryAlina/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("VeterinaryAlina")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Microsoft")]
-[assembly: AssemblyProduct("VeterinaryAlina")]
-[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("54303dbb-11ad-47f0-bb76-f595e9c1b181")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/VeterinaryAlina/VeterinaryAlina.csproj b/VeterinaryAlina/VeterinaryAlina.csproj
deleted file mode 100644
index 0eb6b56..0000000
--- a/VeterinaryAlina/VeterinaryAlina.csproj
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{86A66320-1CF7-4439-946E-399A2E30E580}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>VeterinaryAlina</RootNamespace>
-    <AssemblyName>VeterinaryAlina</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="App.config" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/VeterinaryElena/App.config b/VeterinaryElena/App.config
deleted file mode 100644
index 8e15646..0000000
--- a/VeterinaryElena/App.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
-    </startup>
-</configuration>
\ No newline at end of file
diff --git a/VeterinaryElena/Program.cs b/VeterinaryElena/Program.cs
deleted file mode 100644
index 502ec8f..0000000
--- a/VeterinaryElena/Program.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace VeterinaryElena
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-        }
-    }
-}
diff --git a/VeterinaryElena/Properties/AssemblyInfo.cs b/VeterinaryElena/Properties/AssemblyInfo.cs
deleted file mode 100644
index 668c054..0000000
--- a/VeterinaryElena/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("VeterinaryElena")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Microsoft")]
-[assembly: AssemblyProduct("VeterinaryElena")]
-[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("db34d1dd-cd9c-4fb2-b933-f82ee164696d")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/VeterinaryElena/VeterinaryElena.csproj b/VeterinaryElena/VeterinaryElena.csproj
deleted file mode 100644
index 2845676..0000000
--- a/VeterinaryElena/VeterinaryElena.csproj
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{883BE9B6-9577-4261-9C62-3A637471ED12}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>VeterinaryElena</RootNamespace>
-    <AssemblyName>VeterinaryElena</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="App.config" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/VeterinaryKonstantin/App.config b/VeterinaryKonstantin/App.config
deleted file mode 100644
index 8e15646..0000000
--- a/VeterinaryKonstantin/App.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
-    </startup>
-</configuration>
\ No newline at end of file
diff --git a/VeterinaryKonstantin/Program.cs b/VeterinaryKonstantin/Program.cs
deleted file mode 100644
index 220e5ac..0000000
--- a/VeterinaryKonstantin/Program.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace VeterinaryKonstantin
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-        }
-    }
-}
diff --git a/VeterinaryKonstantin/Properties/AssemblyInfo.cs b/VeterinaryKonstantin/Properties/AssemblyInfo.cs
deleted file mode 100644
index 5321b57..0000000
--- a/VeterinaryKonstantin/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("VeterinaryKonstantin")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Microsoft")]
-[assembly: AssemblyProduct("VeterinaryKonstantin")]
-[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("f776bb77-0a9b-4d3b-83de-afdb949c3716")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/VeterinaryKonstantin/VeterinaryKonstantin.csproj b/VeterinaryKonstantin/VeterinaryKonstantin.csproj
deleted file mode 100644
index d9146fc..0000000
--- a/VeterinaryKonstantin/VeterinaryKonstantin.csproj
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{F2FD6890-FA1E-4D3B-A267-7CF9BE8AC499}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>VeterinaryKonstantin</RootNamespace>
-    <AssemblyName>VeterinaryKonstantin</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="App.config" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/VeterinaryValeriya/App.config b/VeterinaryValeriya/App.config
deleted file mode 100644
index 8e15646..0000000
--- a/VeterinaryValeriya/App.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
-    </startup>
-</configuration>
\ No newline at end of file
diff --git a/VeterinaryValeriya/Program.cs b/VeterinaryValeriya/Program.cs
deleted file mode 100644
index 06593d0..0000000
--- a/VeterinaryValeriya/Program.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace VeterinaryValeriya
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-        }
-    }
-}
diff --git a/VeterinaryValeriya/Properties/AssemblyInfo.cs b/VeterinaryValeriya/Properties/AssemblyInfo.cs
deleted file mode 100644
index 6f88a99..0000000
--- a/VeterinaryValeriya/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("VeterinaryValeriya")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Microsoft")]
-[assembly: AssemblyProduct("VeterinaryValeriya")]
-[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("55cfdc7d-d03a-456e-907d-c10a41e94aca")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/VeterinaryValeriya/VeterinaryValeriya.csproj b/VeterinaryValeriya/VeterinaryValeriya.csproj
deleted file mode 100644
index 055e2b6..0000000
--- a/VeterinaryValeriya/VeterinaryValeriya.csproj
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{69D21967-2A6D-4AAA-BAC8-DB15E7F26110}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>VeterinaryValeriya</RootNamespace>
-    <AssemblyName>VeterinaryValeriya</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="App.config" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/VeterinaryVladimir/App.config b/VeterinaryVladimir/App.config
deleted file mode 100644
index 8e15646..0000000
--- a/VeterinaryVladimir/App.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
-    </startup>
-</configuration>
\ No newline at end of file
diff --git a/VeterinaryVladimir/Program.cs b/VeterinaryVladimir/Program.cs
deleted file mode 100644
index bd8c474..0000000
--- a/VeterinaryVladimir/Program.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace VeterinaryVladimir
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-        }
-    }
-}
diff --git a/VeterinaryVladimir/Properties/AssemblyInfo.cs b/VeterinaryVladimir/Properties/AssemblyInfo.cs
deleted file mode 100644
index 96939bf..0000000
--- a/VeterinaryVladimir/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("VeterinaryVladimir")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Microsoft")]
-[assembly: AssemblyProduct("VeterinaryVladimir")]
-[assembly: AssemblyCopyright("Copyright © Microsoft 2015")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("cc485261-17e7-4c84-b4c5-2841409cc425")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/VeterinaryVladimir/VeterinaryVladimir.csproj b/VeterinaryVladimir/VeterinaryVladimir.csproj
deleted file mode 100644
index 45e7aa9..0000000
--- a/VeterinaryVladimir/VeterinaryVladimir.csproj
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{76C9C915-3485-4158-B0CC-A3C6A9D0FAD2}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>VeterinaryVladimir</RootNamespace>
-    <AssemblyName>VeterinaryVladimir</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="App.config" />
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/tasks_cs2.sln b/tasks_cs2.sln
index 2f7608e..65a7ab8 100644
--- a/tasks_cs2.sln
+++ b/tasks_cs2.sln
@@ -16,16 +16,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Collections", "Collections\
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Encapsulation", "Encapsulation\Encapsulation.csproj", "{0B86DA56-DD67-4418-A8A4-9A6E058EC444}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VeterinaryVladimir", "VeterinaryVladimir\VeterinaryVladimir.csproj", "{76C9C915-3485-4158-B0CC-A3C6A9D0FAD2}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VeterinaryElena", "VeterinaryElena\VeterinaryElena.csproj", "{883BE9B6-9577-4261-9C62-3A637471ED12}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VeterinaryValeriya", "VeterinaryValeriya\VeterinaryValeriya.csproj", "{69D21967-2A6D-4AAA-BAC8-DB15E7F26110}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VeterinaryKonstantin", "VeterinaryKonstantin\VeterinaryKonstantin.csproj", "{F2FD6890-FA1E-4D3B-A267-7CF9BE8AC499}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VeterinaryAlina", "VeterinaryAlina\VeterinaryAlina.csproj", "{86A66320-1CF7-4439-946E-399A2E30E580}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -56,26 +46,6 @@ Global
 		{0B86DA56-DD67-4418-A8A4-9A6E058EC444}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0B86DA56-DD67-4418-A8A4-9A6E058EC444}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0B86DA56-DD67-4418-A8A4-9A6E058EC444}.Release|Any CPU.Build.0 = Release|Any CPU
-		{76C9C915-3485-4158-B0CC-A3C6A9D0FAD2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{76C9C915-3485-4158-B0CC-A3C6A9D0FAD2}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{76C9C915-3485-4158-B0CC-A3C6A9D0FAD2}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{76C9C915-3485-4158-B0CC-A3C6A9D0FAD2}.Release|Any CPU.Build.0 = Release|Any CPU
-		{883BE9B6-9577-4261-9C62-3A637471ED12}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{883BE9B6-9577-4261-9C62-3A637471ED12}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{883BE9B6-9577-4261-9C62-3A637471ED12}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{883BE9B6-9577-4261-9C62-3A637471ED12}.Release|Any CPU.Build.0 = Release|Any CPU
-		{69D21967-2A6D-4AAA-BAC8-DB15E7F26110}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{69D21967-2A6D-4AAA-BAC8-DB15E7F26110}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{69D21967-2A6D-4AAA-BAC8-DB15E7F26110}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{69D21967-2A6D-4AAA-BAC8-DB15E7F26110}.Release|Any CPU.Build.0 = Release|Any CPU
-		{F2FD6890-FA1E-4D3B-A267-7CF9BE8AC499}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{F2FD6890-FA1E-4D3B-A267-7CF9BE8AC499}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{F2FD6890-FA1E-4D3B-A267-7CF9BE8AC499}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{F2FD6890-FA1E-4D3B-A267-7CF9BE8AC499}.Release|Any CPU.Build.0 = Release|Any CPU
-		{86A66320-1CF7-4439-946E-399A2E30E580}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{86A66320-1CF7-4439-946E-399A2E30E580}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{86A66320-1CF7-4439-946E-399A2E30E580}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{86A66320-1CF7-4439-946E-399A2E30E580}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE