Rubik's cube

Time Limit: 1 sec

 

The Problem

In a Rubik's cube has 6 different colors and each color has N x N color pieces. In this problem, you will be given one integer number N as input. Write a simple program that print the total number of color pieces in N x N x N Rubik’s cube.

 

 

For example in 3 x 3 x 3 Rubik’s cube have 6 x 3 x 3 = 54 color pieces.

 

The Input

There are several lines of input in the input file. Each line contains one integer numbers N (0<N<15). Input is terminated by EOF.

 

The Output

For each line of input you have to print a line of output, this line contains an integer which is the total number of color pieces in N x N x N Rubik’s cube.

 

Sample Input

2

3

 

Sample Output

24

54

 

 

 

[Outsbook Round #2 Online Contest] 

Problem Setter: Shahin ShamS