using System;

public class Program

{

    public static void Main()

    {

        int num,rev=0;

        Console.WriteLine("enter a number");

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

        while(num!=0)

        {

            rev = rev*10;

            rev=rev+num%10;

            num=num/10;

        }

        Console.WriteLine("reverse of entered number is" +rev);

​

    }

}