using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the length of the edge of a cube");

        int x = Int32.Parse(Console.ReadLine());

        int s = 6 * x * x;

        int a = x * x * x;

        Console.WriteLine("Enter the following for the result :- surface area - 1, area - 2,surface area and area - 3 ");

        int y = Int32.Parse(Console.ReadLine());

        if (y==1)

        {

            Console.WriteLine("Surface area = " + s);

        }

        else if (y==2)

        {

            Console.WriteLine("Area = " + a);

        }

        else if (y==3)

        {

            Console.WriteLine("Surface area = " + s);

            Console.WriteLine("Area = " + a);

        }

        else

        {

            Console.WriteLine("It's an ERROR");

            Console.WriteLine("Please follow the instruction given");

        }

    }

}