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 Ruby (judge verdict: Wrong Answer)

x = -1 

while x<1 || 100<x do

  puts "Please input favorite number."
  x = gets.to_i

  if  1<=x && x<=100 then
    puts x**3
  else
    puts "The number is less than 101 and more than 0."
  end

end