contract BasicToken is ERC20Basic, Ownable {
    using SafeMath for uint256;

    mapping(address => uint256) balances;

    /**
    * @dev transfer token for a specified address
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transfer(address _to, uint256 _value) {
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        Transfer(msg.sender, _to, _value);
    }

    /**
    * @dev Gets the balance of the specified address.
    * @param _owner The address to query the the balance of. 
    * @return An uint256 representing the amount owned by the passed address.
    */
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }
}
/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }
/**
 * @dev Gets the balance of the specified address.
 * @param _owner The address to query the the balance of. 
 * @return An uint256 representing the amount owned by the passed address.
 */