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