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