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