Enter command: Unrecognized command!

Enter command: Person Jones added

Enter command: There is already a person with this last name!

Enter command: No person with that name!

Enter command: Room 1001 added

Enter command: There is already a room with this number!

Enter command: Could not read an integer value!

Enter command: Room number is not in range!

Enter command: Meeting added at 10

Enter command: There is already a meeting at that time!

Enter command: Could not read an integer value!

Enter command: Time is not in range!

Enter command: No person with that name!

Enter command: No person with that name!

Enter command: Participant Jones added

Enter command: This person is already a participant!

Enter command: Participant Jones deleted

Enter command: This person is not a participant in the meeting!

Enter command: Participant Jones added

Enter command: No meeting at that time!

Enter command: No room with that number!

Enter command: No room with that number!

Enter command: Information for 1 rooms:
--- Room 1001 ---
Meeting time: 10, Topic: Silly_Stuff
Participants:
Tom Jones 123

Enter command: Cannot clear people list unless there are no meetings!

Enter command: This person is a participant in a meeting!

Enter command: Could not open file!

Enter command: Invalid data found in file!

Enter command: All rooms and meetings deleted
All persons deleted
Done