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