// 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;
    }

}