001. Square The Number

 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 n2.

Input

The only line of input contains a positive integer n.

Output

Print the number n2: n multiplied by itself.

Example
input
Copy
6
output
Copy
36

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