// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣀⣀⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣶⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣾⣿⣿⣿⣿⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⣿⡿⠋⠙⠚⣻⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⣿⣿⣿⣿⣿⣿⣿⠿⠿⠿⠧⠃⠀⠀⠀⠀⠻⣦⣿⣿⣿⣿⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⡟⠉⠉⠉⠛⠿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢈⡙⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⣛⣿⣿⣿⣷⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢴⣶⣿⣿⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⠾⣿⣿⣿⣿⣿⣇⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢿⣿⣿⣿⣿⣿⣛⡆⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢆⣤⢀⠀⠀⠀⠀⠀⠀⣀⣀⣀⣤⣴⢤⣀⡀⠀⠀⠀⢻⣿⣿⣿⣿⠟⣿⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣾⠿⠿⣿⣷⡀⡀⠀⠨⣿⡿⠟⠛⠓⠀⣲⣤⠄⠀⠀⠀⣿⣿⣿⣿⣆⣿⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣤⣶⡶⠟⢿⣿⠀⠀⠹⣷⣿⠿⠿⠿⡶⠟⠀⠀⠀⠀⣿⣿⣿⣿⡿⢻⡀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡙⠳⠤⠄⠀⠈⠑⠀⠀⠀⠀⠉⠛⠒⠂⠀⠀⠀⠀⠀⠠⣿⣿⣿⠋⠀⢸⣷⡢⢄⡀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣧⠀⠀⠀⣠⠇⠀⠀⠀⠀⠹⡷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⢠⣤⣾⣿⣀⣤⣵⣄⡀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡆⠀⣰⣷⣤⣀⣤⣤⣤⣴⣷⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣄⠐⠂⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⣀⣠⣤⠤⢤⣴⣿⣷⠀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣣⡿⢿⠇⠀⠀⠀
// ⠀⠀⠀⢀⡤⠖⠋⠀⠰⠃⠀⠈⠻⣿⣿⣧⠸⣿⣿⣟⣻⣷⣿⣿⣿⣿⢿⡿⠛⠃⠀⡀⢀⡴⠋⠀⢠⣿⡿⣾⠁⣕⠁⠀⠀⠀
// ⢀⡠⢾⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣿⣷⡈⢿⠿⣿⣻⣿⡏⣽⣦⣾⠁⠀⠀⢠⠇⡄⠀⠀⢠⡿⣿⣿⠇⠀⠀⠀⠀⠀⠀
// ⠈⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⢿⣿⣿⣷⡀⠀⠉⠉⠉⠙⠉⠘⠁⠀⠀⠀⡼⠰⠃⠀⣠⡿⣡⣿⣏⠀⠀⠀⠀⡀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢻⡿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⣴⠃⢀⣄⣴⡟⣰⣿⠏⠀⠀⠀⠀⡘⠁⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠆⠉⢻⣟⣿⣿⡀⠀⠀⠀⠀⠀⠀⢀⡞⠁⣠⣿⡿⢫⣾⡿⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀⠘⠈⠣⡙⠳⣤⣦⣤⣤⣤⡶⢋⣤⠾⣿⣿⣾⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠇⠀⠀⠀⠹⣄⢀⣙⡿⢿⣿⣶⣿⣷⣾⣿⡿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
//  ▄    ▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄    ▄ 
// ▐░▌  ▐░▌▐░░░░░░░░░░░▌▐░▌  ▐░▌
// ▐░▌ ▐░▌ ▐░█▀▀▀▀▀▀▀▀▀ ▐░▌ ▐░▌ 
// ▐░▌▐░▌  ▐░▌          ▐░▌▐░▌  
// ▐░▌░▌   ▐░█▄▄▄▄▄▄▄▄▄ ▐░▌░▌   
// ▐░░▌    ▐░░░░░░░░░░░▌▐░░▌    
// ▐░▌░▌   ▐░█▀▀▀▀▀▀▀▀▀ ▐░▌░▌   
// ▐░▌▐░▌  ▐░▌          ▐░▌▐░▌  
// ▐░▌ ▐░▌ ▐░█▄▄▄▄▄▄▄▄▄ ▐░▌ ▐░▌ 
// ▐░▌  ▐░▌▐░░░░░░░░░░░▌▐░▌  ▐░▌
//  ▀    ▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀    ▀ 
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

contract KEKCoin {
    string public constant name = "KEK Coin";
    string public constant symbol = "KEK";
    uint8 public constant decimals = 18;

    uint256 private _totalSupply = 100 * 10**6 * 10**18;
    address private _owner;
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    constructor() {
        _owner = msg.sender;
        _balances[_owner] = _totalSupply;
        emit Transfer(address(0), _owner, _totalSupply);
    }

    modifier onlyOwner() {
        require(_owner == msg.sender, "Caller is not the owner");
        _;
    }

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    function totalSupply() public view returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public returns (bool) {
        require(recipient != address(0), "Transfer to the zero address");
        require(_balances[msg.sender] >= amount, "Insufficient balance");

        _balances[msg.sender] -= amount;
        _balances[recipient] += amount;
        emit Transfer(msg.sender, recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public returns (bool) {
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
        require(recipient != address(0), "Transfer to the zero address");
        require(_balances[sender] >= amount, "Insufficient balance");
        require(_allowances[sender][msg.sender] >= amount, "Insufficient allowance");

        _balances[sender] -= amount;
        _balances[recipient] += amount;
        _allowances[sender][msg.sender] -= amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function renounceOwnership() public onlyOwner {
        _owner = address(0);
    }
}