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