???? ??? ?????? ??? ???? ???????????? ??? ?????? ??? ?????? ????????. ????? ???????? ????? ?? ??????? ????????? ? ????? ??????. ????? ?????? ?? {?????|?????? ?? ????? ??????? ???? ? ??????? ?????? ??????? ????? ?????? ??????? ???????????? {???????|????|?? ????. ?????? ???????? ????? ?????? ??????? ????????. ??? 6 ??????? ought to not ???????