Cube Volume

Time Limit: 1 sec

 

The Problem

A Cube is a combination of 6 Squares of same length means it is a 6-sided figure of a Square.

What will be the volume of the Cube?

 

 

The Input

The input contains a series of lines. Each line contains a single integer number, the length of one side of a Surface Area of Cube, S (S <= 1000).

 

The Output

For each line of input the output will show the Volume of the Cube rounded to 2 decimal points in a separate line.

 

Sample Input

24

54

31

 

Sample Output

8.00

27.00

11.74

 

 

 

 

Problem Setter: Samia Safa Ahmed