using System;  

  public class SwapExample  

   {  

     public static void Main(string[] args)  

      {  

       int  a=5, b=10;            

       Console.WriteLine("Before swap a= "+a+" b= "+b);    

       a=a*b; //a=50 (5*10)      

       b=a/b; //b=5 (50/10)      

       a=a/b; //a=10 (50/5)    

       Console.Write("After swap a= "+a+" b= "+b);       

     }  

  }