class Parent { // 
	Parent() {
		System.out.println("øparent()췽");
	}
}
class SubParent extends Parent { // ̳Parent
	SubParent() {
		System.out.println("SubParent()췽");
	}
}
public class Subroutine extends SubParent { // ̳SubParent
	Subroutine() {
		System.out.println("Subroutine()췽");
	}
	public static void main(String[] args) {
		Subroutine s = new Subroutine(); // ʵ
	}
}
