Problem:
X Cubic

Write a program which calculates the cube of a given integer x.

Input

An integer x is given in a line.

Output

Print the cube of x in a line.

Constraints

1 ≤ x ≤ 100

Sample Input 1

2

Sample Output 1

8

Sample Input 2

3

Sample Output 2

27

Solution in PHP (judge verdict: Accepted)

<?php

$calcAnswer = trim(fgets(STDIN));   
echo calc($calcAnswer);

echo "\n";

function calc($x){
    $answer = $x * $x * $x;
    return $answer;
}

?>