using System;

public class Program

{

    public static void Main()

    {

      Console.WriteLine("Enter 2 numbers.");

      Console.WriteLine("====================");

      Console.Write("Enter N1: ");

      int a = int.Parse(Console.ReadLine());

      Console.Write("Enter N2: ");

      int b = int.Parse(Console.ReadLine());

        int temp;

        temp = a;

           a = b;

           b = temp;

    //  Console.WriteLine("====================");

      Console.WriteLine(" Number N1=>: {0}", a);

      Console.WriteLine(" Number N2=>: {0}", b);

    }

}