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