Prompt the user to choose an item using the number (1, 2, or 3) that corresponds to the item,
or enter 0 to quit the application. After the user makes the first selection, if the choice is 0,
display a bill of RM0.00. Otherwise, display the menu again. The user should respond to this
prompt with another item number to order or 0 to quit. Display the total that has been
selected.