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;

namespace AOJ
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] input = Console.ReadLine().ToCharArray();
            string output = "";
            for (int i = input.Length - 1; i >= 0; i--)
            {
                output = output + input[i];
            }
            Console.WriteLine(output);
        }
    }
}