???? ????? ??????? ?? ?????? ?????? ???? ???? ??? ??????? ?? ???? ??? ????????. ???? ??? ??????? ??????? ???? ??????? ??? ??????. ????? ??????? ??????? ?????????. ????? ????? ?????? ?????? ???????. ???? ??????? ??????? ??????? ???? ?? ??????. Selecting ???? ????? ??????? ??? ????? ????