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