Dottore is your roommate, you were an excellent student and you were often annoyed by Dottore's carefree attitude to studying. One day, you went to the blackboard to solve a mathematical example. While you were there, Dottore took your notebook and drew something there. You've already guessed what might be there. When you sat back down at your desk, Dottore was grinning at you. When you opened your notebook, you saw painted pussy in the margins of your notebook: "This is the kind of math I like better," Dottore said, pushing his notebook away so that you would not draw anything in it