pragma solidity ^0.4.25;

interface IERC20 {

function totalSupply()
constant external returns (uint256 totSupply);
function balanceOf (address _owner) constant external returns (uint256 balance);
function transfer(address _to,uint256 _value) external returns (bool success);
function transferFrom (address _from, address _to,uint256 _value) external returns (bool success);
function approve(address _spender, uint256 _value) external returns (bool success);
function allowance(address _owner, address _spender) constant external returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

/**
 * SafeMathlibrary
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a * b;
assert(a == 0 || 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 owned {
address public owner;

constructor() public {
owner = 0x953600669b794BB7a2E0Bc6C5a7f5fA96c3c1928;
        }

modifier onlyOwner {
require(msg.sender == owner);
            _;
        }

function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
        }
}

contract GamingoToken is owned,IERC20{

using SafeMath for uint256;

    uint256 public _totalSupply = 600000000000000000000000000;

    string public constant symbol = 'GAME';

    string public constant name = 'GamingoToken';

    uint8 public constant decimals = 18;

mapping(address => uint256) public balances;
mapping (address =>mapping (address => uint256)) allowed;

    /**
     * constructorfunction
     * add balance to createraddress
    */
constructor() public {
balances[msg.sender] = _totalSupply;
    }

    /**
     * gettotalSupply
    */
function totalSupply() constant external returns (uint256 totSupply){
        return _totalSupply;
    }

    /**
     * get balance of an address
    */
function balanceOf(address _owner) constant external returns (uint256 balance) {
        return balances[_owner];
    }

    /**
     * transfertokens
    */
function transfer(address _to, uint256 _value) external returns (bool success) {
require(
balances[msg.sender] >= _value
&& _value > 0
        );

balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
        return true;
    }

function transferFrom(address _from, address _to, uint256 _value) external returns (bool success) {
require(
allowed[_from][msg.sender] >= _value
&&balances[_from] >= _value
&& _value > 0  
        );
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) external returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
        return true;
    }

function allowance(address _owner, address _spender) external constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    /**
     * Burns a specificamount of tokens.
     */
function burn(uint256 _value) public {
        _burn(msg.sender, _value);
    }

function _burn(address account, uint256 value) internal {
require(account != 0);
require(value <= balances[account]);

        _totalSupply = _totalSupply.sub(value);
balances[account] = balances[account].sub(value);
emit Transfer(account, address(0), value);
    }

event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);

}

{
  "compilationTarget": {
    "GamingoToken.sol": "GamingoToken"
  },
  "evmVersion": "byzantium",
  "libraries": {},
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}