??????? ???????: ??? ???? ??? ?????? ?????? ?? ????1) ???? ??????? ????? ????? ?? ?????? ?????? ?????? ?????? ?????? ????? ?????? ?????. 2) ?????? ??? ?????? ?????? ?? ??????? ???? ??? ?????? ????????? ????? ?????????. 3) ?? ???? ???? ???? ???? ??????? ??????? ???? ???? ????? ?????? ????? ??????. ????? ??????? ???? ??????? ?? ????1) ??? ???? ???