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