??? ???? ⋅ ? ???? ⋅ ? ??????? ⋅ ? ???? ⋅ ? ?????? ?????? ⋅ ??????-???? ??????? ?? ??????????? ?? ???????? ????????? ???? ???? ??????? ???????? ?? ???????????, ????????? ?? ????????? ? ???????? ?? ???? ??? . ???????? ???????? ?? ?????? ????