using System;

public class Program

{

    static void DisplayMenu()

{

  Console.WriteLine("Welcome to the guessing program menu - choose you option");

  Console.WriteLine("1 - Change the secret word");

  Console.WriteLine("2 - Make a guess");

  Console.WriteLine("3 - Quit");

}

    static string ChangeWord()

    {

      Console.WriteLine("Please enter the new secret word");

      string newsecretword = Console.ReadLine();

      return newsecretword;

    }

    static void GuessWord(string word)

    {

        Console.WriteLine("What is your guess at the secret word");

      string guess = Console.ReadLine();

      if (guess == word)

      {

        Console.WriteLine("Well done, you have successfully guessed the secret word");

      }

      else

      {

        Console.WriteLine("Sorry, you have not guessed the secret word");

      }

    }

    static void Quit()

    {

        Console.WriteLine("Bye");

    }

    public static void Main()

    {

    string secretword = "Computer";

    int menuoption;

do

{

    DisplayMenu();

     menuoption = int.Parse(Console.ReadLine());

  switch (menuoption)

  {

    case 1:

      secretword = ChangeWord();

      break;

    case 2:

      GuessWord(secretword);

      break;

    case 3:

      Quit();

      break;

    default:

      Console.WriteLine("Invalid menu option, please enter a number between 1 and 3");

      break;

  }

} while (menuoption != 3);

Console.ReadLine();

    }

}