?????? ??? ????? ???? ???? ??? ?????? ?????. ??? ???? ?????? ?????? ?? ??????, ????? ???????. ?????? ??? ???? ????? ??? ????. ?????? B7 : ???????? ????? ????? ? ?????? ??? ?????? ???? ???? ??? ????? ???? ???? ?? ???????? ????????. ??? ????, ??? ???? ????? ???? ? ????? ??? ?? ??????, ????? ?? ??? ???? ??? ????? ????? ??????. ???? ?????? ?????