contract TPKToken is StandardToken {

    using SafeMath for uint;
    string public constant name = "Topthinken";
    string public constant symbol = "TPK";
    uint public constant decimals = 18;

    uint constant million=1000000e18;
    //total token supply: 680million
    uint constant totalToken = 680*million;

    //@notice  Constructor of TPKToken
    function TPKToken() public {
      totalSupply = totalToken;
      balances[msg.sender] = totalSupply;
    }

}
/// @title TPKToken - Token code for the TPK Project
function TPKToken() public {
      totalSupply = totalToken;
      balances[msg.sender] = totalSupply;
    }
//@notice  Constructor of TPKToken