class MyWorld {

    public void process(Object[] o) {
    int i = 0;
        while (o[i] instanceof String && ((String) o[i]).startsWith("hello")) {
      i++;
    }
    i = 0;
        while (!(o[i] instanceof String && ((String) o[i]).startsWith("hello"))) {
      i++;
    }
  }
}