On the first day of college, the dean addressed the students, pointing out some of the rules 'The female dormitory will be outofbounds for all male students, and the male dormitory to the female students. Anybody caught breaking this rule will be fined 20 the first time. Anybody caught breaking this rule the second time will be fined 60. Being caught a third time will cost you 180. Are there any questions?'

Get ready for the punchline that's out of this world!