public class Superclass {
	private int a;
	private String b;
	
	Superclass() {
		this(0, "Fred");
		System.out.print("0 ");
	}
	
	Superclass(int a, String b) {
		System.out.print("1 ");
		this.a = a;
		this.b = b;
		a();
	}
	
	public void a() {
		System.out.print("a ");
		this.b();
	}
	
	public void b() {
		System.out.print("b ");
	}
}