?????????????? ??? ?????? ?????? ???? ?????? ?????? ???????????? ?????????????? ??? ?????. ????? ?????? ??????? ??????????. ??????? ??????? ????? ??? ????? ?????? ??????????? ??????????? ??????? ?????????????? ????? ??? ????????? ???????????? ???????????????? ?? ?? ??? ??? ?????? ?????? {?? ??? ??? ?????? ????????? ?????? ??????????? ??