diff --git a/src/Problem11727.java b/src/Problem11727.java
new file mode 100644
index 0000000..e83f9d7
--- /dev/null
+++ b/src/Problem11727.java
@@ -0,0 +1,41 @@
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+
+public class Problem11727 {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+        int n = Integer.parseInt(br.readLine());
+        int[] dp = new int[n];
+
+        dp[0] = 1;
+
+        if (n == 1) {
+            bw.write(String.valueOf(dp[0]));
+            bw.flush();
+            bw.close();
+            return;
+        }
+
+        dp[1] = 3;
+
+        if (n == 2) {
+            bw.write(String.valueOf(dp[1]));
+            bw.flush();
+            bw.close();
+            return;
+        }
+
+        for (int i = 2; i < n; i++) {
+            dp[i] = (dp[i - 1] + 2 * dp[i - 2]) % 10007;
+        }
+
+        bw.write(String.valueOf(dp[n - 1]));
+        bw.flush();
+        bw.close();
+    }
+}
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