using System;

public class Program

{

    public static void Main()

    {

        while(true)

        {

            Console.WriteLine(ReverseName(Console.ReadLine()));

        }

    }

    public static string ReverseName(string name)

    {

        string reverseName = "";

        int len = name.Length - 1;

        for(int ii = len; ii >= 0; ii--)

        {

            reverseName += name[ii];

        }

        return reverseName;

    }

}