Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in C# (judge verdict: Accepted)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

class Program
{
    static void Main(string[] args)
    {
        foreach (var input in Enumerable.Range(0, int.MaxValue).Select(x => Console.ReadLine()).TakeWhile(x => !string.IsNullOrEmpty(x)))
        {
            Console.WriteLine(new string(input.Reverse().ToArray()));
        }
    }
}