????? ??????? ?? ?????? ?????? ????? ??? ??????? ??????? ????? ???? ???? ?????? ????? ?? ??? ???????. ??? ???? ???? ????? ??? ???? ???? ????? ????? ???? ??????? ????? ???????? {??? ??????? ??? ???? ??????. ????? ?????? ??? ????? ????? ??????? ???leader ?? ????? ?????? ???? ????? ??? ??