???? ??? ???? ???? ?????? {?? ??? ???? ?? ??? ???? ?????? ???? ?????? ? ???? ?????? ???????? ??! ???? ????? ??? ??? ???? ?????? ?????? {?? ????? ????? ????? ????? {????? ????? ????????? ??? ?? ???? ???? ??? ????? ????????. ???? ??? ???? ????? ?????? ????? ??? ??? ???: ???? ???? ????? ?