Create a program that will get a users input. The program will tell what is the suffix or prefix of the word [on hold]

Create a program that will get a users input. The program will tell what is the suffix or prefix of the word.

ex. user enter "friendly" program output >> suffix - ly ex. user enter "retry" program output >> prefix - re

use the casting of string to character.

Can someone please help me to do this ? Thanks in advance.