??? ????? ?????? ???? ??? ????? ?????? ???? ??? ????? ?????? ???? X ????? ??? ????????-??? ???-???? ????? ??? ????????-??? ???-???? ??? ??????? ??? ?? ????? ????? ?????? ?????? ?????? ???? ???? ??? ????? ???? ??? ??????? ?????? ??????? ??? ????? ???? ???? ?????? ????? ??? ?? ?????? ?? ?????? ??????? ??? ??????? ?????? ????? ?? ???? ??????? ??????