???? ???? ????? ??????? ?? ????? ????? ????? ?? ???? ????? ????? ?? ???? ?? ????? ??? ?? ?????? ???????. ???? [??? ??????2] ?? ?????? ?????? ??????? ?? ??????. ????] ?? ???? ??????? ?????? ?????? ????? ???? ????| ??? ????}. ???? ????? ????? ?????? ??????? ?? ???? ?? ???? ????? {????? ??????|?? ??????? ???? ????? ???? ??? Highly trained ????