You have two options in life and two options only
Have a really good think before deciding. This is one of the most important decisions (and if you choose B, possibly the last) you'll ever make.
When you're ready, click on the door of destiny and let your path unfold...
Don't bother with exams, find a demon portal and spend your few remaining hours battling the beasts of the underworld until one of them kills you in a hideous and painful way.
Demon Fighting Tips!