?? ????? ???? ????/?????, ???? ????? ???? ??????? ???? ???? ??? ????? – ???? ????? ?????? ?????, ???? ??? ??? ?? ????? ????, ???????, ?????, ??????, ????? ??? ?? ????????; ???? ?? ?????? ??????? (?? ??), ???? ??????.?? ???????? ???? ???????? ??????, ???? ????? ????? / ??? ????? ????? ?????? ?????. ???? ?????? ???? ??????? ??????? ?????:But, as op