using System;

public class Program

{

    public static void Main(string [] args)

    {

        int c;

        Console.WriteLine("Enter two numbers");

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

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

        c = a;

        a = b;

        b = c;

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

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

    }

}