??? ??? ?????? ????????. ??? ??: ????? ????? ?????? ???? ???? ???? ????? ?????, ??? ????? ?? ???? ???? ????? ????? ????.?? ???? ???????? ??? ???? ????? ???? ?????, ?? ????? ??? ????? ????? ?????? ?????, ?????? ??? ????? ?? ???? ????? ???? ???????????????? ?? ??? ???? ???????? ???????? (?????? ??? ????).We discover those shorter and very long tail s