???? ????? ???????? ?? ?????? ?????? ???? ?????? ??? ??????? ?? ???? ??? ????????. ????? ??? ??????? ??????? ???? ????? ??? ???????. ????? ??????? ??????? ?????????. ????? ?????? ?????? ?????? ?? ???????. ???? ??????? ??????? ????? ???? ?? ??????. ?????? ???? ????? ??????? ??? seeking ???? ?????? need to evaluate ??? factors. ?????, ??