contract Beneficiary is Ownable {
    address public beneficiary;

    constructor() public {
        beneficiary = msg.sender;
    }

    /**
     * @dev Change the beneficiary address
     * @param _beneficiary Address of the new beneficiary
     */
    function setBeneficiary(address _beneficiary) public onlyOwner {
        beneficiary = _beneficiary;
    }
}
/** @title Beneficiary */
function setBeneficiary(address _beneficiary) public onlyOwner {
    beneficiary = _beneficiary;
}

/**
 * @dev Change the beneficiary address
 * @param _beneficiary Address of the new beneficiary
 */