// poly_arrays1
// demonstrating with initializer list this time
// (why? it looks cool)

class A { 
    public int getVal() { return 1;} 
}
class B extends A { 
    public int getVal() { return 1+super.getVal(); }
}
class C extends A { 
    public int getVal() { return 1+super.getVal(); }
}


public class poly_arrays1 {
    public static void main(String[] args) {

	A[] x = { 
	    new A(), // 1
	    new B(), // 2
	    new B(), // 2
	    new C()  // 3
		};
	
	int sum = 0;
	for (int i=0; i<x.length; i++)
	    sum+=x[i].getVal();
	System.out.println(sum);
    }
}

// output: 7 (hooray!)