??? ???? ??????????? ??????? ??? ???? ??? ??? ??? ???? ???????? ??? ???????. ???????? ?? ???? ????????????? ????????? ??????????????? ???????????? 60 ???? ??? ?????????? ?? ??????????? ??? ??? ??????? ??? ??????? ???? ?????? ??????? ??? ??? ????????????????? ?????? ???????? ?????? meta-?????????? ??? ????? ?????????? ???:?????????????? ?? ?????????