????? ??????? ????????? ?????? ?? ??????? ????????? ?????? ??? ??????? ?????? ??????? ?????? ??? ????? ??????. ???? ???? ????? ??????? ?? ????? ???????? ??? ????? ?????? ??????. ??????1| ???? Z | ??????3 ??????? ???? ??? ??? ??? ??????? ??????| ?????? ???????? ?? ?????. ????? [??? ??????] ???????: ????? ?? ???? ??????? ??? ???