public CustomException(string errorType)
        {
            if (errorType == "back to main menu")
            {
                MainScreen.ChangeColorToDarkGray();
                Console.WriteLine("\n  Taking you back to Main Screen.");
                Thread.Sleep(1500);
                MainScreen.MainMenu();
            }

            if (errorType == "out of scope")
            {
                Console.Clear();
                MainScreen.ChangeColorToRed();
                Console.Beep();
                Console.WriteLine("\n\n  That is not an option.");
                MainScreen.TryAgain();
            }

            else if (errorType == "negative")
            {
                Console.Clear();
                MainScreen.ChangeColorToRed();
                Console.Beep();
                Console.WriteLine("\n\n  Do not write negative numbers");
                MainScreen.TryAgain();
            }

            else if (errorType == "movies>10")
            {
                Console.Clear();
                Console.WriteLine("  A maximum of 10 movies can be played.");
                MainScreen.TryAgain();
            }

            else if (errorType == "invalid movie rating")
            {
                Admin.AdminHeading();

                MainScreen.ChangeColorToDarkCyan();

                Console.WriteLine("  The rating inserted is not valid, please choose one of these options:");
                Console.WriteLine("\tG     -   Any age");
                Console.WriteLine("\tPG    -   10 years or older");
                Console.WriteLine("\tPG-13 -   13 years or older");
                Console.WriteLine("\tR     -   15 years or older");
                Console.WriteLine("\tNC-17 -   17 years or older\n");
                Console.WriteLine("  Press Enter to input Rating again.");
                Console.ReadLine();
            }

            else if (errorType == "must be mortal")
            {
                Console.WriteLine("  You are too OLD! We don't want you to die, while watching movie.");
                MainScreen.TryAgain();
            }

            else if (errorType == "risky customer")
            {
                Console.WriteLine("\n\n  There are high chances, Customer could DIE while watching movie.");
                Thread.Sleep(500);
                MainScreen.TryAgain();
                Admin.AdminHeading();
            }

            else if (errorType == "too young")
            {
                Console.WriteLine(
                    "  You are '{0}' years old...\n" +
                    "  The movie '{1}' you chose has the rating of '{2}'.\n" +
                    "  Unfortunately, you cannot watch this movie\n",
                    Guests.guestAge,
                    Admin.moviesList[Guests.movieChoice - 1].Key,
                    Admin.moviesList[Guests.movieChoice - 1].Value
                    );
                Thread.Sleep(2000);
                MainScreen.TryAgain();
            }
        }
        public static void AdminMenuAddMovies()
        {
            AdminHeading();
            int    moviesPlayingToday = playingToday;
            string movieName;
            string ratingOrAge;
            Dictionary <int, string> numbers = new Dictionary <int, string>()
            {
                { 1, "First" },
                { 2, "Second" },
                { 3, "Third" },
                { 4, "Fourth" },
                { 5, "Fifth" },
                { 6, "Sixth" },
                { 7, "Seventh" },
                { 8, "Eighth" },
                { 9, "Ninth" },
                { 10, "Tenth" },
            };

            bool flag = false;

            for (int x = moviesList.Count + 1; x <= moviesPlayingToday; x++)
            {
                Console.WriteLine();
                getMovieName(numbers[x]);
                getMovieRating(numbers[x]);
            }

            void getMovieName(string serialOrder)
            {
                if (moviesList.Count > 0 && flag == true)
                {
                    AdminHeading();
                    flag = false;
                    for (int x = 0; x < moviesList.Count; x++)
                    {
                        MainScreen.ChangeColorToDarkYellow();
                        Console.Write("  Please Enter {0} Movie's Name >", numbers[x + 1]);
                        MainScreen.ChangeColorToDarkCyan();
                        Console.WriteLine(" {0}", moviesList[x].Key);
                        MainScreen.ChangeColorToDarkYellow();
                        Console.Write("  Please Enter the Age Limit OR Rating For the {0} Movie >", numbers[x + 1]);
                        MainScreen.ChangeColorToDarkCyan();
                        Console.WriteLine(" {0}", moviesList[x].Value);
                        Console.WriteLine("");
                    }
                }

                MainScreen.ChangeColorToDarkYellow();
                Console.Write("  Please Enter {0} Movie's Name > ", serialOrder);
                MainScreen.ChangeColorToDarkCyan();
                movieName = Console.ReadLine();
                if (movieName == "0")
                {
                    MainScreen.MainMenu();
                }
                if (movieName == "")
                {
                    CustomException.NoInputDetected();
                    if (moviesList.Count != 0)
                    {
                        flag = true;
                    }
                    else
                    {
                        AdminHeading();
                    }
                    getMovieName(serialOrder);
                }
                movieName = char.ToUpper(movieName[0]) + movieName.Substring(1);
                if ((movieName.Length) % 2 != 0)
                {
                    movieName += " ";
                }
            }

            void getMovieRating(string serialOrder)
            {
                if (flag == false)
                {
                    MainScreen.ChangeColorToDarkYellow();
                    Console.Write("  Please Enter the Age Limit OR Rating For the {0} Movie > ", serialOrder);
                    MainScreen.ChangeColorToDarkCyan();
                    ratingOrAge = Console.ReadLine().ToUpper();

                    switch (ratingOrAge)
                    {
                    case "G":
                    {
                        ratingOrAge = "G";
                        moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                        break;
                    }

                    case "PG":
                    case "10":
                    {
                        ratingOrAge = "PG";
                        moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                        break;
                    }

                    case "PG-13":
                    case "PG 13":
                    case "PG13":
                    case "13":
                    {
                        ratingOrAge = "PG-13";
                        moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                        break;
                    }

                    case "R":
                    case "15":
                    {
                        ratingOrAge = "R";
                        moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                        break;
                    }

                    case "NC-17":
                    case "NC 17":
                    case "NC17":
                    case "17":
                    {
                        ratingOrAge = "NC-17";
                        moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                        break;
                    }

                    default:
                    {
                        try
                        {
                            int  age;
                            bool isInt = int.TryParse(ratingOrAge, out age);
                            if (ratingOrAge == "0")
                            {
                                throw new CustomException("back to main menu");
                            }
                            else if (isInt)
                            {
                                if (age < 0)
                                {
                                    throw new CustomException("negative");
                                }
                                else if (age > 17 && age < 120)
                                {
                                    ratingOrAge = "NC-17";
                                    moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                                }
                                else if (age > 15 && age < 120)
                                {
                                    ratingOrAge = "R";
                                    moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                                }
                                else if (age > 13 && age < 120)
                                {
                                    ratingOrAge = "PG-13";
                                    moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                                }
                                else if (age > 10 && age < 120)
                                {
                                    ratingOrAge = "PG";
                                    moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                                }
                                else if (age > 0 && age < 120)
                                {
                                    ratingOrAge = "G";
                                    moviesList.Add(new KeyValuePair <string, string>(movieName, ratingOrAge));
                                }
                                else if (age > 120)
                                {
                                    throw new CustomException("risky customer");
                                }
                            }
                            else if (!isInt)
                            {
                                if (
                                    ratingOrAge != "G" &&
                                    ratingOrAge != "PG" &&
                                    ratingOrAge != "PG-13" &&
                                    ratingOrAge != "R" &&
                                    ratingOrAge != "NC-17")
                                {
                                    throw new CustomException("invalid movie rating");
                                }
                            }
                        }
                        catch (CustomException)
                        {
                            flag = true;
                            getMovieRating(serialOrder);
                        }
                        break;
                    }
                    }
                }
                else if (moviesList.Count > 0 && flag == true)
                {
                    flag = false;
                    for (int x = 0; x < moviesList.Count; x++)
                    {
                        MainScreen.ChangeColorToDarkYellow();
                        Console.Write("  Please Enter {0} Movie's Name >", numbers[x + 1]);
                        MainScreen.ChangeColorToDarkCyan();
                        Console.WriteLine(" {0}", moviesList[x].Key);
                        MainScreen.ChangeColorToDarkYellow();
                        Console.Write("  Please Enter the Age Limit OR Rating For the {0} Movie >", numbers[x + 1]);
                        MainScreen.ChangeColorToDarkCyan();
                        Console.WriteLine(" {0}", moviesList[x].Value);
                        Console.WriteLine("");
                    }
                    getMovieName(serialOrder);
                    getMovieRating(serialOrder);
                }
                else if (moviesList.Count == 0 && flag == true)
                {
                    flag = false;
                    getMovieName(serialOrder);
                    getMovieRating(serialOrder);
                }
                else if (numbers[moviesList.Count] == serialOrder && flag == true)
                {
                    flag = false;
                    getMovieName(serialOrder);
                    getMovieRating(serialOrder);
                }
            }

            AdminMenuSatisfied();
        }