3? 28?, ??(?? ???), ??(??? ???), ??(??? ???)? ??????? ??? ??? 80? ??????? ?????. ?? ???????? ??? 3?? ????? ?????? ??? ??, ??, ?????. 3?? ????? ???? ???????80? ??????? ??? ??? ??????? ??? 0??? ??? ?????(??? ?? ?? ??).