????? ??????? ????????? ?????? ?? ??????? ????????? ????? ??? ??????? ?????? ??????? ?????? ??? ????? ??????. ????? ???? ????? ??????? ?? ???? ???? ???????? ?????? ????? ???? ??????. ?????? ??????? ???????| ???? Z | ???? B ??????? ??????? ??? ???? ??? ??????? ??????| ?????? ???????? ?? ?????. ????? [??? ??????] ???????: ????? ??