contract BurnableToken is BasicToken, Ownable {

  event Burn(address indexed burner, uint256 value);

  /**
   * @dev Burns a specific amount of tokens.
   * @param _value The amount of token to be burned.
   */
  function burn(address _beneficiary, uint256 _value) public onlyOwner {
    require(_value <= balances[_beneficiary]);
    // no need to require value <= totalSupply, since that would imply the
    // sender's balance is greater than the totalSupply, which *should* be an assertion failure

    balances[_beneficiary] = balances[_beneficiary].sub(_value);
    totalSupply_ = totalSupply_.sub(_value);
    emit Burn(_beneficiary, _value);
    emit Transfer(_beneficiary, address(0), _value);
  }
}
function burn(address _beneficiary, uint256 _value) public onlyOwner {
  require(_value <= balances[_beneficiary]);
  // no need to require value <= totalSupply, since that would imply the
  // sender's balance is greater than the totalSupply, which *should* be an assertion failure

  balances[_beneficiary] = balances[_beneficiary].sub(_value);
  totalSupply_ = totalSupply_.sub(_value);
  emit Burn(_beneficiary, _value);
  emit Transfer(_beneficiary, address(0), _value);
}

/**
 * @dev Burns a specific amount of tokens.
 * @param _value The amount of token to be burned.
 */