using System;

class Obrnuto {
  static void Main() {
    Console.Write("Tekst   -> ");
    string s = Console.ReadLine();
    Console.Write("Obrnuto -> ");   
    for(int i = s.Length - 1; i >= 0; i--) {
      Console.Write(s[i]);
    }
    Console.WriteLine();
  }
}