?? ??????? ??? ??? ????? ?????????????? ?????? ????????? ??? ??? ???????? ??? ???? ??????????, ???? ?? ???????? ???????? ????? ???? ???? ???????????? ??? ?? ??? ???????????? . ??? ???? ????? ?????????? ?????????? ???????? ??????????. ?????????? ?????????? ?????????? 3 ??????? ???? ????????? ???? ??????????: ????????? ?????? ????????? ??