using System;

public class Program

{

    public static void Main()

    {

        string[] array = new string[3];

        for(int i = 0; i < 3; i++){

            Console.WriteLine("Enter letter: ");

            array[i] = Console.ReadLine();

        }

        for(int i = 2; i >= 0; i--){ 

            Console.WriteLine("\n" + array[i]);

        }

    }

}