class Echo2 {
    int count = 0;
    void hello(){
        System.out.println("helloooo...");
    }
}

public class Echo1 {
    public static void main (String[] args) {
        Echo2 e1 = new Echo2();
        Echo2 e2 = new Echo2();

        int x = 0;
        while (x<4) {
            e1.hello();
            if (x>0) {
                e2.count=e2.count+e1.count;
            }
            e1.count = e1.count + 1;
            if (x == 3) {
                e2.count = e2.count + 1;
            }
            x=x+1;
        }
        System.out.println(e2.count);
    }
}