ReadReversePrintString

using System;

class ReadReversePrintString
{
    public static string ReverseString(string str)
    {
        char[] arr = str.ToCharArray();
        Array.Reverse(arr);
        return new string(arr);
    }
    static void Main()
    {
        string str = Console.ReadLine();
        Console.WriteLine(ReverseString(str));
    }
}