???? ???? ????? ??? ???? ???? ??? ???? ??????? ??? ???????? ?????????, ????? ??? ???? ????? ?????? ?????. ????? ???? ????? ?? ??? ?????? ? ?????? ???? ?? ????????? ???????? ????? ????? ?????. ??? ???? ?? ???? ??? ????, ???? ?????? ??optimum. ???? 33% ??? ??? ??????? ??? ???????? ? ???????? ?????? ??????? ?? ??? ???? ????? 33% ??? ??? ??????? ??