public class inherit_private {
    public static void main(String[] args) {
	new B();
    }
}

class A {
    private int x;
    public double y;
    public A() { 
	print1(); print2(); print3(); print4();
    }
    private void print1() { System.out.println(x+1); }
    private void print2() { System.out.println(x+2); }
    public  void print3() { System.out.println(x+3); }
    private void print4() { System.out.println(x+4); }
}

class B extends A {
    public B() { 
	System.out.println("--");
	/* print1(); */ print2(); print3(); print4();
    }
    public  void print2() { System.out.println(y+1); }
    // private void print3() { System.out.println(); }
    private void print4() { System.out.println(y+2); }
}