????? ????????? ????? ???? ???????? ???? ??????? ?? ????? ?????? ? ????? ???? ?? ???? ???, ???? ????? ????????? ???? ???? ????? ??? ?????????? = ?????????? ?????? ?????? ??????? ?????? ???? ??? ??? ?????? ????- ?????? ???????: ?? ????? (????= ??, ??= ?????)[?] ??? ????? ??? ???? = ?????????? (???? ?????? ???? ?????) ????? ????? ???? ?????? ???,