using System;


namespace _04.Numbers_in_Reversed_Order
{
    class Program
    {
        static void Main()
        {
            string textValue = Console.ReadLine();
            char[] valueChars = textValue.ToCharArray();
            Array.Reverse(valueChars);
            string reversedValue = new string(valueChars);
            double reversedInt = double.Parse(reversedValue);
            Console.WriteLine(valueChars);


        }
    }
}