How to find the department of mathematics
Step 1. Identify the right building. You can tell by the condom.
Step 2. Choose the right entrance.
Step 3. Step in boldly.
Step 4. Proceed to the lift/elevator and call it to you (pressing a suitable button generally works best).
Step 5. Select floor 5.
Step 6. Exit and turn left. Welcome to the math department!
If you think that you are tough, take the stairs and run up the four floors.