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

class A {
    public int x=1;
    public int y=2;
    public int z=3;
    public A() { print1(); print2(); print3(); }
    public void print1() { System.out.println(x); }
    public void print2() { System.out.println(y); }
    public void print3() { System.out.println(z); }
}

class B extends A {
    public double x=1.0;
    public double y=2.0;
    public B() { print1(); print2(); print3(); }
    public void print1() { System.out.println(x); }
}