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 Kotlin (judge verdict: Accepted)

fun main(args: Array<String>){
    val x: String? = readLine()
    val y = if (x ==  null) 0 else x.toInt()
    println(y*y*y)
}