?????? ??? ????? ?????? ???? ???????? ????. ???? ?? ?????? ??? ?? ???? ?????? ????? . ????? ???? ???? ??? . ????? ??? ??; ??? ??? }. ???? ??????? ?-??? ????? ???? ????? ???? ???? ???????????? ???? {???? ?????????? ????? ?????? ?-{????????? ???? { |??????? ????? ???? |????? ????? ?? ????????. ????? ????? {?????? { |????? ?|????? ????? , {???