public class Subclass extends Superclass {
	int c;
	String d;
	
	Subclass() {
		super();
		System.out.print("2 ");
	}
	
	Subclass(int a, String b) {
		super(a, b);
		System.out.print("3 ");
	}
	
	public void a() {
		System.out.print("c ");
		super.a();
	}
	
	public void b() {
		System.out.print("d ");
	}
}