?????? ??? ?????? ???? ????? ??????? ?????? ?????? ?????. ????? ?-???? {????|????|???], ???? ?? ?????? ??????. ???? ?? ??? ????? ?????? B7 ???? ?? ?????? ?? ?? , ???? ???? ????. ???????????: ?????? ??? ???? ???? ????'????? ???? ???? ??? ????? ??? ????? ?????? ?????? ????? ???? ?????. ????