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
$inVal = trim(fgets(STDIN));
$ans = $inVal;
for ($i = 0; $i < 2; $i++) {
    $ans = $ans * $inVal;
}
echo $ans.PHP_EOL;
?>