diff --git a/Niki_homework_2.sol b/Niki_homework_2.sol
new file mode 100644
index 0000000..9565949
--- /dev/null
+++ b/Niki_homework_2.sol
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+pragma solidity ^0.8.11;
+
+contract Voting{
+
+    struct Voter {
+        bool voted;
+    }
+    
+    
+    mapping(address => Voter) private Voters;
+    uint256 public Friends;
+    uint256 public HowIMetYourMother;
+    uint256 public TheBigBangTheory;
+
+ 
+    function voteFriends() public {
+        Voter storage sender = Voters[msg.sender];
+        require(!sender.voted, 'Voted');
+        sender.voted = true;
+        Friends = Friends + 1;
+
+    }
+
+    function voteHowIMetYourMother() public {
+        Voter storage sender = Voters[msg.sender];
+        require(!sender.voted, 'Voted');
+        sender.voted = true;
+        HowIMetYourMother = HowIMetYourMother + 1;
+    }
+
+    function voteTheBigBangTheory() public {
+        Voter storage sender = Voters[msg.sender];
+        require(!sender.voted, 'Voted');
+        sender.voted = true;
+        TheBigBangTheory = TheBigBangTheory + 1;
+    }
+
+}
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