????????? ???? ???????? ????? ?? ? ??? ? ?? ? ??? ? ?????: ?? ?????? ??? ?????? ?????: ?? ?????? ??? ?????? ?????? ????? ?????? ?????? ????? ?????: ?? ?????? ??? ????? ??? ???? ??? ?? ??????? ?????? ???? ??????. ???? ?????? ??? ??? ??? ????? ????? ???? ??? ??? ??????? ?? ????? ??????. ???? ???????? ??? ???? ?? ??? ????. it has been explained that