class Superclass<T> {
    private T element;
    
    public Superclass(T element) {
        this.element = element;
    }
    
    public T getEle() {
        return this.element;
    }
}

class Subclass<T, V> extends Superclass<T> {
    private V value;
    
    public Subclass(T element, V value) {
        super(element);
        this.value = value;
    }
    
    public V getValue() {
        return this.value;
    }
}

public class Hierarchy {
    public static void main(String[] args) {
        System.out.println(" ABC");
        Subclass<String, Integer> h1 = new Subclass<>("abc", 123);
        System.out.println(h1.getEle());
        System.out.println(h1.getValue());
    }
}