?? ???????? ????????? ????? ????? ????????? ??? ???? ???? ? ????? ???? ??? ????? ???????? ???????? ? ??? ???????. ???? ????? ????????? ??????? hardware ? software ?????? ????? ???? ???? ???? ??????? ????? ?? ?????? ??????? ? ??????? ??? ???????. ????? ??????? ????? ????????? ?? ?????? ?????? ?? ??????? ???? ????? ????? ????????? ??? ??????? ?