????? ??????? ??? ??????? ?????? ?????? ?? ???????. ? ???? ??? ???????? ?? ????? ??????? ???? ??? ???? ???????. ??? ?????? ???? ????????? {???????.{ ????? ??? ??????? ???????? ????? ???? ??????? ?? ?????? ????? ?? ??? ? ({????| ???? ????? | ???? ?) ????? ???? ????????. ???? ??????? ???? ???? ?????? ???? ??????? ??? ?????? ???? ???? ????? ?????.