using System;

public class cube 

{

    public int Getcube(int x)

    {

        int i =(x*x*x);

        return i;

    }

}

public class Program

{

    public static void Main()

    {

        cube c=new cube();

        int i2 =c.Getcube(3);

            Console.WriteLine(i2);

    }

}