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Serbia 
🌏💄📗| CONFUSING RIDDLE:
🐳🥞🌸|
Q: What's the contour integral around Western Europe?
A: Zero, because all the Poles are in Eastern Europe!
Addendum: Actually, there ARE some Poles in Western Europe, but they
are removable!
Q: An English mathematician (I forgot who) was asked by his
very religious colleague: Do you believe in one God?
A: Yes, up to isomorphism!
Q: What is a compact city?
A: It's a city that can be guarded by finitely many near-sighted
policemen!
-- Peter Lax
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