using System;

public class Program

{

    public static void Main()

    {

        string str1, str2 = "";

        Console.Write("Enter Word: ");

        str1 = Console.ReadLine();

        for (int i = realLength; 0 <= i; i--) {

            str2 += str1[i];

        }

        Console.WriteLine(str2);

    }

}