using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    static long[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var s = ReadLine();
        var pos = 0;
        for (var i = 0; i < s.Length; ++i) if (s[i] >= '0' && s[i] <= '9')
        {
            pos = i;
            break;
        }
        var s1 = s.Take(pos).Reverse();
        Write(string.Concat(s1));
        WriteLine(string.Concat(s.Skip(pos)));
    }
}