[Ofir|Execute.co.il]

בבקשה

            int num, num1;
            Console.WriteLine("Enter two numbers:");
            num = int.Parse(Console.ReadLine());
            num1 = int.Parse(Console.ReadLine());
            Console.WriteLine("{0}{1}", num, num1);
            Console.WriteLine("{0}{1}", num1, num);
            Console.WriteLine(num + num1);