???? ???? ????? ???? ??? ??? ??????? ?????? ??????? ?????? ??????.???????? ???? ????? ??? ???? ??????? ? ????? ??? ??????? ???????? ????? ?? ????? ?????? ?? ??? ?????? ?????? ??? ????????? ????? ??????? ??? ???????? ???????? ???? ????? ????? ??????? ????????.While numerous complain the book is overly simplistic, it is a function, not a bug. Often b