using System;

public class Hello
{
    static void Main()
    {
        var s = Console.ReadLine().Trim();
        getAns(s);
    }
    static void getAns(string s)
    {
        var n = s.Length;
        var tt = 0;
        for (int i = 0; i < n; i++)
        {
            var t = s[i] - '0';
            if (t >= 0 && t <= 9) { tt = i; break; }
        }
        var ss = s.Substring(0, tt);
        var sss = ss.ToCharArray();
        Array.Reverse(sss);
        Console.Write(new string(sss));
        Console.WriteLine(s.Substring(tt));
    }
}