001. Square The Number
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

A number squared is defined as the number multiplied by itself. In this problem, given a number n, print the number $$$n^{2}$$$.

Input

The only line of input contains a positive integer n.

Output

Print the number $$$n^{2}$$$: n multiplied by itself.

Example
Input
6
Output
36