Contact Manager program in c++

Just names and phone numbers

The program must use at least one menu at the beginning with multiple options including an option to exit the program.

The program must run continuously, in a cyclic manner until the user chooses to exit.

Sublevel menus are allowed.

The program must use:

multiple data types,

multiple mathematical operators,

decision structures,

iterative structures, and

functions.

The program should be thoroughly documented with introductory comments at the top and other comments in areas that could be confusing.

It just needs to run in an ide. It also needs to be capable of search, as well as sorting in ascending and descending order.