???? ???? ???????? ?? ?????? ?????? ???? ???? ??? ??????? ?? ???? ??? ????????. ????? ??? ??????? ??????? ???? ??????? ??? ???????. ????? ??????? ??????? ??????????. ????? ????? ?????? ?????? ???????. ???? ??????? ??????? ????? ????? ?? ???????. Selecting ???? ????? ??????? ??? looking for ???? ?????? ??? consider ??? aspects. , First