diff --git a/Project/Trello/Models/Board.py b/Project/Trello/Models/Board.py
new file mode 100644
index 0000000..76eea4d
--- /dev/null
+++ b/Project/Trello/Models/Board.py
@@ -0,0 +1,40 @@
+from Library import IdGenerator
+from Library import Access
+
+
+class Board(object):
+
+    def __init__(self, name="", url=""):
+        self.id = IdGenerator.generateUniqueId()
+        self.name = name
+        self.privacy = Access.PUBLIC
+        self.url = url
+        self.members = set()
+        self.lists = set()
+
+    def setBoardName(self, name):
+        self.name = name
+
+    def setAccessSpecifier(self, access):
+        self.privacy = access
+
+    def getBoardName(self):
+        return self.name
+
+    def addMemberToBoard(self, userId):
+        self.members.add(userId)
+
+    def removeMemberFromBoard(self, userId):
+        if userId not in self.members:
+            print str(userId) + "not present in Board: " + str(self.id)
+            return
+        self.members.remove(userId)
+
+    def addListToBoard(self, listId):
+        self.lists.add(listId)
+
+    def removeListFromBoard(self, listId):
+        if listId not in self.lists:
+            print str(listId) + " not present in Board: " + str(self.id)
+            return
+        self.lists.remove(listId)
diff --git a/Project/Trello/Models/Cards.py b/Project/Trello/Models/Cards.py
new file mode 100644
index 0000000..7c3d5aa
--- /dev/null
+++ b/Project/Trello/Models/Cards.py
@@ -0,0 +1,35 @@
+from Trello.Models.Library import IdGenerator
+
+
+class Cards(object):
+    userAssigned = None  # type: String
+
+    def __init__(self, name="", listId=None):
+        self.id = IdGenerator.generateUniqueId()
+        self.name = name
+        self.description = None
+        self.userAssigned = None
+        self.listId = listId
+
+    def setName(self, name):
+        self.name = name
+
+    def getName(self):
+        return self.name
+
+    def setDescription(self, description):
+        self.description = description
+
+    def getDescription(self):
+        if self.description is not None:
+            return self.description
+        return None
+
+    def assignUser(self, userId):
+        self.userAssigned = userId
+
+    def removeUser(self):
+        self.userAssigned = None
+
+    def getUserName(self):
+        return self.userAssigned
\ No newline at end of file
diff --git a/Project/Trello/Models/Library.py b/Project/Trello/Models/Library.py
new file mode 100644
index 0000000..aaebd17
--- /dev/null
+++ b/Project/Trello/Models/Library.py
@@ -0,0 +1,27 @@
+import string
+import random
+
+
+class IdGenerator(object):
+    generatedIds = set()
+
+    @staticmethod
+    def getStringId():
+        randomString = ''.join([random.choice(string.ascii_letters
+                                              + string.digits) for _ in range(10)])
+        return randomString
+
+    @classmethod
+    def generateUniqueId(cls):
+        randomString = cls.getStringId()
+        while randomString in cls.generatedIds:
+            randomString = cls.getStringId()
+        cls.generatedIds.add(randomString)
+        return randomString
+
+
+class Access(object):
+    PRIVATE = "PRIVATE"
+    PUBLIC = "PUBLIC"
+
+
diff --git a/Project/Trello/Models/Lists.py b/Project/Trello/Models/Lists.py
new file mode 100644
index 0000000..23b5b6e
--- /dev/null
+++ b/Project/Trello/Models/Lists.py
@@ -0,0 +1,22 @@
+from Trello.Models.Library import IdGenerator
+
+
+class Lists(object):
+
+    def __init__(self, name="", boardId=""):
+        self.id = IdGenerator.generateUniqueId()
+        self.name = name
+        self.boardId = boardId
+        self.cards = set()
+
+    def setName(self, name):
+        self.name = name
+
+    def addCard(self, cardId):
+        self.cards.add(cardId)
+
+    def removeCard(self, cardId):
+        if cardId not in self.cards:
+            print str(cardId) + " not present in List: " + str(self.id)
+            return
+        self.cards.remove(cardId)
diff --git a/Project/Trello/Models/User.py b/Project/Trello/Models/User.py
new file mode 100644
index 0000000..87e50a5
--- /dev/null
+++ b/Project/Trello/Models/User.py
@@ -0,0 +1,17 @@
+from Trello.Models.Library import IdGenerator
+
+
+class User(object):
+    def __init__(self, name="", email=""):
+        self.id = IdGenerator.generateUniqueId()
+        self.name = name
+        self.email = email
+
+    def setName(self, name):
+        self.name = name
+
+    def getName(self):
+        return self.name
+
+    def setEmail(self, email):
+        self.email = email
diff --git a/Project/Trello/Models/__init__.py b/Project/Trello/Models/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Project/Trello/Services/BoardService.py b/Project/Trello/Services/BoardService.py
new file mode 100644
index 0000000..5676783
--- /dev/null
+++ b/Project/Trello/Services/BoardService.py
@@ -0,0 +1,107 @@
+from Trello.Models.Board import Board
+from Trello.Models.Library import Access
+
+
+class BoardService(object):
+
+    def __init__(self):
+        self.boards = dict()
+        self.listService = None
+        self.cardService = None
+
+    def setServices(self, listService, cardService):
+        self.listService = listService
+        self.cardService = cardService
+
+    def validatePresent(self, boardId):
+        if boardId not in self.boards:
+            print "Board Id not present"
+            return False
+        return True
+
+    def createBoard(self, name):
+        board = Board(name)
+        self.boards[board.id] = board
+        print "Created Board: ", board.id
+
+    def updateName(self, boardId, name):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        board.setBoardName(name)
+
+    def updateAccess(self, boardId, access):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        board.setAccessSpecifier(access)
+
+    def addMemberToBoard(self, boardId, userId):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        board.addMemberToBoard(userId)
+
+    def removeMemberFromBoard(self, boardId, userId):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        board.removeMemberFromBoard(userId)
+
+    def addListInBoard(self, boardId, listId):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        board.addListToBoard(listId)
+
+    def removeListFromBoard(self, boardId, listId):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        board.removeListFromBoard(listId)
+
+    def deleteBoard(self, boardId):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        for memberId in  board.members:
+            self.removeMemberFromBoard(boardId, memberId)
+        for listId in board.lists:
+            # self.removeListFromBoard(boardId, listId)
+            self.listService.deleteList(listId)
+        del self.boards[boardId]
+
+    def showBoardDetailItem(self, boardId):
+        if not self.validatePresent(boardId):
+            return
+        board = self.boards[boardId]
+        boardItemInfo = ""
+        boardItemInfo += "ID: " + str( board.id )
+        boardItemInfo += ", Name: " + str( board.name )
+        boardItemInfo += ", privacy: " + str( board.privacy )
+
+        listInfo = ""
+        isListPresent = False
+        for listId in board.lists:
+            isListPresent = True
+            if len(listInfo)>0:
+                listInfo += ", "
+            listInfo += "{ "+ self.listService.showListDetail(listId)+ " }"
+        if isListPresent:
+            boardItemInfo += "Lists: ", listInfo
+        # TODO List
+        isMembersPresent = False
+        membersInfo = ""
+        for members in board.members:
+            isMembersPresent = True
+            membersInfo += "{ Name: "+ str(members)+ "}"
+        if isMembersPresent:
+            boardItemInfo += "{ members: " + membersInfo + "}"
+        return boardItemInfo
+
+    def showBoardDetail(self):
+        boardInfo = ""
+        for boardId in self.boards:
+            boardInfo += "{ " + self.showBoardDetailItem(boardId)+ "}\n"
+        return boardInfo if len(boardInfo)>0 else None
+
diff --git a/Project/Trello/Services/CardService.py b/Project/Trello/Services/CardService.py
new file mode 100644
index 0000000..c4c8923
--- /dev/null
+++ b/Project/Trello/Services/CardService.py
@@ -0,0 +1,59 @@
+from Trello.Models.Cards import Cards
+
+
+class CardService(object):
+    def __init__(self):
+        self.cards = dict()
+        self.listService = None
+        self.boardService = None
+
+    def setServices(self, boardService, listService):
+        self.listService = listService
+        self.boardService = boardService
+
+    def createCard(self, cardName, listId):
+        card = Cards(name=cardName, listId=listId)
+        self.cards[card.id] = card
+        self.listService.addCardToList(listId, card.id)
+        print "Created Card: ", card.id
+
+    def updateCardName(self, cardId, name):
+        card = self.cards[cardId]
+        card.setName(name)
+
+    def updateDescription(self, cardId, description):
+        card = self.cards[cardId]
+        card.setDescription = description
+
+    def assignUserToCard(self, userId, cardId):
+        card = self.cards[cardId]
+        card.assignUser(userId)
+
+    def unAssignUserFromCard(self, cardId):
+        card = self.cards[cardId]
+        card.removeUser()
+
+    def moveCardToAnotherList(self, cardId, newListId):
+        card = self.cards[cardId]
+        if card.listId==newListId:
+            print "Same list id"
+            return
+        self.listService.removeCardFromList(card.listId,  cardId)
+        self.listService.addCardToList(newListId, cardId)
+        card.listId = newListId
+
+    def deleteCard(self, cardId):
+        card = self.card[cardId]
+        self.listService.removeCardFromList(card.listId, cardId)
+        del self.cards[cardId]
+
+    def showCardDetail(self, cardId):
+        card = self.cards[cardId]
+        cardInfo = ""
+        cardInfo += "Id: "+  str(cardId)
+        cardInfo += " Name: "+ str(card.getName())
+        if card.getDescription():
+            cardInfo += " Description: " + str(card.getDescription())
+        if card.getUserName():
+            cardInfo += " UserName: " + card.getUserName()
+        return cardInfo
diff --git a/Project/Trello/Services/ListService.py b/Project/Trello/Services/ListService.py
new file mode 100644
index 0000000..f07a72a
--- /dev/null
+++ b/Project/Trello/Services/ListService.py
@@ -0,0 +1,59 @@
+from Trello.Models.Lists import Lists
+
+
+class ListService(object):
+
+    def __init__(self):
+        self.lists = dict()
+        self.boardService = None
+        self.cardService = None
+
+    def setServices(self, boardService, cardService):
+        self.boardService = boardService
+        self.cardService = cardService
+
+    def createList(self, boardId, name):
+        listWorks = Lists(name, boardId)
+        self.lists[listWorks.id] = listWorks
+        self.boardService.addListToBoard(boardId, listWorks.id)
+        print "Created List: ", listWorks.id
+
+    def addCardToList(self, listId, cardId):
+        listWorks = self.lists[listId]
+        listWorks.addCard(cardId)
+
+    def removeCardFromList(self, listId, cardId):
+        if listId not in self.lists:
+            print "ListId not present"
+            return
+        listWorks = self.lists[listId]
+        listWorks.removeCardFromList(cardId)
+
+    def deleteList(self, listId):
+        if listId not in self.lists:
+            print "List Id not present"
+            return
+        listWorks = self.lists[listId]
+        for cardId in listWorks.cards:
+            self.cardService.deleteCard(cardId)
+        del self.lists[listId]
+        self.boardService.removeListFromBoard(listWorks.boardId, listId)
+
+    def showListDetail(self, listId):
+        if listId not in self.lists:
+            return ""
+        listWorks = self.lists[listId]
+        listInfo = ""
+        listInfo += "ListID: " +  str(listId)
+        listInfo += " Name: "+ str(listWorks.name)
+        isCardsPresent = False
+        cardInfo = ""
+        for cardId in listWorks.cards:
+            isCardsPresent = True
+            if len(cardInfo) > 0:
+                cardInfo += ","
+            cardInfo += " {" +  self.cardService.showCardDetail(cardId) +  "}"
+        if isCardsPresent:
+            listInfo += ", Cards: " + cardInfo
+        return listInfo
+
diff --git a/Project/Trello/Services/__init__.py b/Project/Trello/Services/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Project/Trello/TrelloManager.py b/Project/Trello/TrelloManager.py
new file mode 100644
index 0000000..14a34fb
--- /dev/null
+++ b/Project/Trello/TrelloManager.py
@@ -0,0 +1,17 @@
+from Trello.Services.BoardService import BoardService
+
+from Trello.Services.ListService import ListService
+
+from Trello.Services.CardService import CardService
+
+
+class TrelloManager(object):
+    def __init__(self):
+        self.boardService = BoardService()
+        self.listService = ListService()
+        self.cardService = CardService()
+
+        # Initialize each of these objects in other service class.
+        self.boardService.setServices(self.listService, self.cardService)
+        self.listService.setServices(self.boardService, self.cardService)
+        self.cardService.setServices(self.boardService, self.listService)
diff --git a/Project/Trello/__init__.py b/Project/Trello/__init__.py
new file mode 100644
index 0000000..40f6ac6
--- /dev/null
+++ b/Project/Trello/__init__.py
@@ -0,0 +1,79 @@
+from Trello.TrelloManager import TrelloManager
+
+
+class TrelloApplication(object):
+
+    @classmethod
+    def run(cls):
+        trelloManager = TrelloManager()
+        while True:
+            try:
+                userInput = raw_input()
+                wordsSplit = userInput.split()
+                if wordsSplit[0] == "BOARD":
+                    if wordsSplit[1] == "CREATE":
+                        trelloManager.boardService.createBoard(wordsSplit[2])
+                    elif wordsSplit[1] == "DELETE":
+                        trelloManager.boardService.deleteBoard(wordsSplit[2])
+                    else:
+                        boardId = wordsSplit[1]
+                        if wordsSplit[2] == "name":
+                            trelloManager.boardService.updateName(boardId, wordsSplit[3])
+                        elif wordsSplit[2] == "privacy":
+                            trelloManager.boardService.updateAccess(boardId, wordsSplit[3])
+                        elif wordsSplit[2] == "ADD_MEMBER":
+                            trelloManager.boardService.addMemberToBoard(boardId, wordsSplit[3])
+                        elif wordsSplit[2] == "REMOVE_MEMBER":
+                            trelloManager.boardService.removeMemberFromBoard(boardId, wordsSplit[3])
+                elif wordsSplit[0] == "SHOW":
+                    output = None
+                    if len(wordsSplit) == 1:
+                        output = trelloManager.boardService.showBoardDetail()
+                    elif wordsSplit[1] == "BOARD":
+                        output = trelloManager.boardService.showBoardDetailItem(wordsSplit[2])
+                    elif wordsSplit[1] == "LIST":
+                        output = trelloManager.listService.showListDetail(wordsSplit[2])
+                    elif wordsSplit[1] == "CARD":
+                        output = trelloManager.cardService.showCardDetail(wordsSplit[[2]])
+                    else:
+                        print "No such option, try again"
+                    if output is None:
+                        print "No Boards"
+                    else:
+                        print output
+                elif wordsSplit[0] == "LIST":
+                    if wordsSplit[1] == "CREATE":
+                        boardId = wordsSplit[2]
+                        listName = ' '.join(wordsSplit[3:])
+                        trelloManager.listService.createList(boardId, listName)
+
+                    elif wordsSplit[1] == "DELETE":
+                        trelloManager.listService.deleteList(wordsSplit[2])
+                elif wordsSplit[0] == "CARD":
+                    if wordsSplit[1] == "CREATE":
+                        listId = wordsSplit[2]
+                        trelloManager.cardService.createCard(wordsSplit[3], listId)
+                    elif wordsSplit[1] == "DELETE":
+                        trelloManager.cardService.deleteCard(wordsSplit[2])
+                    else:
+                        cardId = wordsSplit[1]
+                        if wordsSplit[2] == "name":
+                            name = wordsSplit[3]
+                            trelloManager.cardService.updateCardName(cardId, name)
+
+                        elif wordsSplit[2] == "description":
+                            trelloManager.cardService.updateDescription(cardId, wordsSplit[3])
+
+                        elif wordsSplit[2] == "ASSIGN":
+                            trelloManager.cardService.assignUserToCard(wordsSplit[3], cardId)
+                        elif wordsSplit[2] =="UNASSIGN":
+                            trelloManager.cardService.unAssignUserFromCard(cardId)
+            except Exception as e:
+                print "Exception raised: ", e.message
+
+def main():
+    TrelloApplication.run()
+
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file