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

??? ???? ??? ????? ?????? ?????? ?? ???? ???????? ??????? ???? ????? ???? ?????? ?? ??????? ?????? ?????? ????? ??? ????? ?????? ? ??? ??? ??? ?????? ???????? ??????? ???????? ??? ???????. ????? ?????? ????? ?????? ?? ????? ?????? ??????? ??????? ??? ????? ?????? ???? ?????? ?????? ?????? ?? ???? ?