contract BasicToken is ERC20Basic {

  using SaferMath 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) public returns (bool) {

    require(_to != address(0));



    // SafeMath.sub will throw if there is not enough balance.

    balances[msg.sender] = balances[msg.sender].sub(_value);

    balances[_to] = balances[_to].add(_value);

    Transfer(msg.sender, _to, _value);

    return true;

  }



  /**

  * @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) public constant returns (uint256 balance) {

    return balances[_owner];

  }



}
function transfer(address _to, uint256 _value) public returns (bool) {

  require(_to != address(0));



  // SafeMath.sub will throw if there is not enough balance.

  balances[msg.sender] = balances[msg.sender].sub(_value);

  balances[_to] = balances[_to].add(_value);

  Transfer(msg.sender, _to, _value);

  return true;

}

/**
 
 * @dev transfer token for a specified address
 
 * @param _to The address to transfer to.
 
 * @param _value The amount to be transferred.
 
 */