class ex49 {
    public static void main(String[] z) {
        int result ;
        A a ;
        a = new A() ;
        System.out.println(a.set()) ;
    }
}

class A {

    int b ;

    public int set() {
        b = 3 ;
        return 1 ;
    }
}

class B extends A {

    public int get() {
        b = 12 ;
        return b ;
    }
}