On hot days, Pistacchio doesn’t care if it’s an Isabella Islay Whiskey or a “traveler” made with hot Fernet and Tab without gas on the roof of a bus, but he needs to drink 4 liters of drink.
Today he was with two empty jugs, irregularly shaped, with a capacity of 5 and 3 liters respectively.
Having a tap available, how do you make sure you drink exactly 4 liters?
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