?? ????? ??? ????? ?????? ?? ??? ???????? ? ?? ????? ?????? ??? ????? ????? ???? ????? ?????? ???????? ? ?? ?? ??? ????? ????? ????? ?????? ????? ?? ????? ??? ??? ?????????. ??????? ??????? ?? ??? ??? ????? ?? ??????, ???? ???????? ??? ????? ??? threshold ?? ?????? ?????. ?????????? ?????? ??????? ????. ????? ???????| estão ???? ??????