????, ????? ????? ??????? ????? ????? ??????? ??????? ????? ???????, ???? ???? ?????? ??? ??????? ?????? ?? ??? ?????.???? ???? ??????? ????? ?????? ???? ???? ????????? ???? ?????? ????? ????????: ????, ????, ????, ??????.?? ????? ????? ???? ????? ????? ????? ??? ?????? ??? ???? ????. ?????? ??????? ???????:????? ????? ???? ?????? ????? ????? ?? ??