using System;

public class Program

{

    public static void Main()

    {

        int x,y,z;

        Console.WriteLine("enter x");

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

        Console.WriteLine("enter y");

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

        z=x;

        x=y;

        y=z;

        Console.WriteLine("swaped numbers are x={0} and y={1}",x,y);

    }

}