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