A fitness organization wants to ensure that data is entered correctly into an online form...

Existing members must enter their membership number in the correct format, M-######-0#.

The first and last name are required on the form, but a middle name or initial is optional.

New members can get a 20% discount, if they enter the Coupon Code SAVE.

New members must be at least 18 years of age at the time they sign up for membership.