Implement a menu with the following options:

1. Big Mac

2. Quarter Pounder with Cheese

3. Double Cheeseburger

4. Crispy Chicken Sandwich

5. Filet-O-Fish

If the user enters an invalid option, let him/her know of this fact, redisplay the menu, and let them enter an option again.

Once a valid option is received, Display the message: "(meal name) coming up", ane end the program.

For example, if they enter 3, display: "Double Cheeseburger coming up" and exit.