???????? ???????: ??????? ??????? ???????????? ??????? ???????????? ??? ?????? ???? ??????? ??????????? ?????? ?????? ?? ???????? ?????????? ??? ??????? ???? ????? ????? ????? ??? ????? ????? ??????? ?????? ??????? ???????? ??? ???? ?????.?????? ?????: ???? ???? - ???? ????? - ???? ????? - ????? ???? - ???? ????? ???? - ???? ????? - ????? ?????.???