How to add word in if else in c language

Question

I have a problem in c language I know how to enter number but I don't know how to add words in if else code
Example I have three type of gifts
First gift give for those students who pass science and math,
Second gift give for those students who pass math,
Third gift give for those students who pass science
How can I do this in c language

Answer 1

It is not clear what you want. Show your code and we will help you fix errors in it.

Answer 2

What's the setup of your "marks"? Are they in individual arrays?