main poep {
	Paard yo = new Penis();
	Paard yi = new Paard();
	Penis ya = new Penis();
	Penis yu = new Paard();
	System.out.println(yo.piemel());
	System.out.println(yi.piemel());
	System.out.println(ya.piemel());
	System.out.println(yu.piemel());
}




class Paard {
	int x = 3;
	Paard() { }
	double piemel() {
		return 1.80;
	}
}
class Penis extends Paard {
	Penis() { }
	double piemel() {
		return 2.80;
	}
}