?? ????? ????? ??? ????? ?? ????????? ?????? ???????? ??? ????? ???? ????????. ???? ??? ?????? ?????? ????? ?????? ???? BPT . ??? ???? ?????? ?? ????? ??? ??????? ????? ??? ???????? ??? ?????? ? ?????? ??? ????????? . ???? ?????? ????? ?????? ??? ??? ???? ?? ??? ????????. ?????? ??????? ???? ???? ?? ?????? ?? ????? ??????? ??? ???? ???