using System;
using System.Linq;

namespace _04_Numbers_in_Reversed_Order
{
    public class NumbersInReversedOrder
    {
        public static void Main()
        {
            double input = double.Parse(Console.ReadLine());

            PrintNumberInReversedOrder(input);
        }

        //Print the number in reverse order
        static void PrintNumberInReversedOrder(double input)
        {
            string reversedNumberInString = new string(input.ToString().Reverse().ToArray());
            double reversedNumber = double.Parse(reversedNumberInString);
            Console.WriteLine(reversedNumber);
        }
    }
}