using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter rohav: ");

        double rohav = double.Parse(Console.ReadLine());

        Console.WriteLine("Enter oreh: ");

        double oreh = double.Parse(Console.ReadLine());

        Console.WriteLine("S is " + (oreh * rohav));

        Console.WriteLine("P is " + (2 * oreh + 2 * rohav));

        if(oreh == rohav){

            Console.WriteLine("This is a cube!");

        }else{

            if(oreh > rohav){

                Console.WriteLine("hefresh = " + (oreh - rohav));

            }else{

                Console.WriteLine("hefresh = " + (rohav - oreh));

            }

        }

    }

}