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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NumbersInReversedOrder
{
    class NumbersInReversedOrder
    {
        static void Main(string[] args)
        {
            string number = Console.ReadLine();

            string reversedNumber = ReverseTheNumber(number);

            Console.WriteLine(reversedNumber);
        }

        public static string ReverseTheNumber(string number)
        {
            string reversedNumber = string.Empty;

            for (int currLetter = 0; currLetter < number.Length; currLetter++)
            {
                reversedNumber[currLetter] = number[number.Length - 1 - currLetter];
            }

            return reversedNumber.ToString();
        }
    }
}