C90 The Problem of Cow Dung

The policewoman thought for a moment and said, "Of course we will, according to the clause that destroys the appearance of the city, a fine of 50 to 500 yuan can be imposed. The starting point of your transportation using an ox-cart is good, so I will punish you with a light penalty, 200 yuan!" "Actually, this policewoman wasn't too bad of a person