class Library:
    def __init__(self, filename='books.txt'):
        self.file = filename
        self.books = []
        self.load_books()

    def __del__(self):
        self.save_books()

    def load_books(self):
        try:
            with open(self.file, 'r') as file:
                self.books = file.readlines()
        except FileNotFoundError:
            open(self.file, 'w').close()

    def save_books(self):
        with open(self.file, 'w') as file:
            file.writelines(self.books)

    def list_books(self):
        for book in self.books:
            book_info = book.split(', ')
            print(f"{book_info[0]}, {book_info[1]}")

    def add_book(self, title, author, publication_date, page_number):
        book = f"{title}, {author}, {publication_date}, {page_number}\n"
        self.books.append(book)
        print("Book added successfully.")

    def remove_book(self, title):
        self.books = [book for book in self.books if not book.startswith(title)]
        print("Book removed successfully.")

def main():
    lib = Library()

    while True:
        print("\n*** MENU ***\n1) List Books\n2) Add Book\n3) Remove Book\n4) Press q for Quit program")
        choice = input("Enter your choice: ")

        if choice == '1':
            lib.list_books()
        elif choice == '2':
            title = input("Enter the title of the book: ")
            author = input("Enter the author of the book: ")
            publication_date = input("Enter the publication date of the book: ")
            page_number = input("Enter the page number of the book: ")
            lib.add_book(title, author, publication_date, page_number)
        elif choice == '3':
            title = input("Enter the title of the book you want to remove: ")
            lib.remove_book(title)
        elif choice == 'q' or choice == 'Q':
            print("Quitting program...")
            break
        else:
            print("Invalid choice, please choose again.")

if __name__ == "__main__":
    main()