using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter Sentence:");

        string input = Console.ReadLine();

        string send = "";

        string[] words = input.Split(' ', '.');

        for(int i = 0; i < input.Length; i++){

        string concatWords = string.Concat(words[i]);

        Console.WriteLine(words.Length);

        int newI = input.Length -1; 

        send += input[newI-i];

        }

        Console.WriteLine("Backwards this sentence would read: ");

        Console.Write(send);

        Console.WriteLine("\n Press any key to continue...");

        Console.ReadLine();

    }

}