class Animal {
    public int x;
    public Animal(int _x) {
        this.x = _x;
    }
}
 
class Lion extends Animal {
    public int y;
    public Lion(int _x, int _y) {
        super(_x);
        this.y = _y;
    }
};
 
class Example {
    public static void main(String[] args) {
        Lion l = new Lion(1, 2);
 
        System.out.printf("%d %d\n", l.x, l.y);
 
        Animal a = l;
        System.out.printf("%d\n", a.x);
 
        Lion e2 = (Lion)a;
        System.out.printf("%d %d\n", e2.x, e2.y);
    }    
}
 

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