???? ???????? ???? ???? ????????? ???? ???????? ??? ????????? ??????? ????? ? ??? ???????? ??? ???? ?? ???? ???? ??????? ??? ???? ?????? ?????? ???? ????? ????? ??? ?????? ???? ?????? ???? ???? ???? ???????????? ???? ??? ????? ????????? ???????? ???? ?? ????? ????? ?????? ??? ??? ????? ??? Definition copyright S