//Task 2: Uneq erku popoxakan int tipi, voroncum grvac en inch-vor arjeqner. 

//Tegherov poxel arjeqnery, aranc ogtagorcelu errord popoxakan, kam +,-,*,/ gorcogutyunnery.

using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Input a ");

        string num1 = Console.ReadLine();

        Console.WriteLine("Input b ");

        string num2 = Console.ReadLine();

        int a = int.Parse(num1);

        int b = int.Parse(num2);

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

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

        a ^= b;

        b ^= a;

        a ^= b;

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

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

    }

}