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