class Person {
 
    void role() {
        System.out.println("I don't do anything.");
    }
  void country() {
        System.out.println("I live in Bangladesh.");
    }
 
}
 
 
class GoodPerson extends Person {
 
    void role() {
        System.out.println("I'll help you");
    }
}
 
class BadPerson extends Person {
 
    @Override
    void role() {
        System.out.println("I'll kill you.");
    }
}
 
public class Main {
    public static void main(String[] args) {
 
 
        Person p = new GoodPerson();
 
        p.role();  
      	p.country();
    }
}

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