#!/usr/local/bin/ruby
# -*- mode: ruby -*-
# $Id: nestedloop.ruby,v 1.2 2001/02/15 01:09:35 doug Exp $
# http://www.bagley.org/~doug/shootout/
# from Avi Bryant

n = Integer(ARGV.shift || 1)
x = 0
n.times do
    n.times do
    n.times do
        n.times do
        n.times do
            n.times do
            x += 1
            end
        end
        end
    end
    end
end
puts x