????? ???? ??????? ????????? ?????? ???? ? ??? ?????? ???????? ??? ???????? ?????? ? ??????? ??????? ????? ?????????? ?????? ???? ???? ? ??? ???? ?????? ?? ??? ??????? ?????????? ??? ????? {?????? ???? ?? ???? ???????? ??? ????? ? ????? ???????: ?????????? ??? ?? ??? ????? ??????? ??? ??????????? ??????? ????????????? ???? ???????????? ??? ?