using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Ingrese un numero");

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

        string n = num.ToString();

        n.ToCharArray();

        for (int i = n.Length-1; i>=0; i--){

            Console.Write("{0}",n[i]);

        }

    }

}