using System;

public class Program

{

    public static void Main()

    {

        int a,b,c;

        Console.WriteLine("enter alues of a,b");

        a=Convert.ToInt32(Console.ReadLine());

        b=Convert.ToInt32(Console.ReadLine());

        c=a;

        a=b;

        b=c;

        Console.WriteLine("a={0}",a);

        Console.WriteLine("b={0}",b);

    }

}