class Animal{
    String color="red";
    
    Animal(){
        print();
        color="black";
    }
    
    void print(){
        System.out.println("animal color is "+color);
    }
}

class Cat extends Animal{
    String color="yellow";
    
    Cat(){
        print();
        super.print();
    }
    
    void print(){
        System.out.println("cat color is "+color);
    }
    
    public static void main(String[] args){
        new Cat();
    }
}