class Doughnut{
	cook(){
		print "Fry until golden brown.";
	}
}

class BostonCream < Doughnut{
	cook(){
		super.cook();
		print "Pipe full of custard and coat with chocolate.";
	}
}

BostonCream().cook();


class A{
	method(){
		print "A method";
	}
}

class B < A{
	method(){
		print "B method";
	}
	test(){
		super.method();
	}
}

class C < B{}

C().test();