???? ????? ??? ???????? ???????? ??????? ??????? ??? ????? ?????? ???????? ???????? ??????? ????? ????? ??????? ???????. ????? ??? ??????? ?? ???? ???????? sophisticated? ?????? ????? ?????? ??? {????????? ???????. ???? ??? ??????? ??? ????? ?? ???? ???????? ????? ?? ???? ???????? ????? ?????????