?? ????? ????? ??? ????? ?? ????????? ?????? ???????? ??? ????? ???? ????????. ???? ??? ?????? ???? ????? ??? ??? ???? pros . ??? ???? ?????? ?? ????? ??? ??????? ????? ??? ??????? ??? ?????? ? ?????? ??? ?????? . ???? ?????? ?????? ?????? ??? ??? ?????? ??? ?????? . ?????? ??????? ???? BPT ?? ?????? ?? ???????? ??????? ??? ?????? ?????