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: Accepted)

class XCubic
  def calc(x)
    return x ** 3
  end
end

xcubic = XCubic.new
puts xcubic.calc(gets.chomp.to_i)