public class Test {
    public static void main(String[] args) throws Exception {
        new A(250);
    }
}

class A {
    long l1;
    long l2;
    long l3;
    long l4;
    A first;
    A second;

    public A(int depth) {
        if (depth > 0) {
            first = new A(depth - 1);
            second = new A(depth - 1);
        }
    }
}