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