contract Storage {

    uint256 public number;

    /**
     * @dev Store value in variable
     * @param num value to store
     */
    function store(uint256 num) public {
        number = num;
    }
}
/**
 * @title Storage
 * @dev Store & retrieve value in a variable
 */
function store(uint256 num) public {
    number = num;
}

/**
 * @dev Store value in variable
 * @param num value to store
 */