????? ?????? ?? ??????, ?? ????? {??????|???????] ?????? ????. ????? {????|???] ???? ?????? ???? ????? ?????. ?? ???, ?? ?????? ????, ????? ????? ?????? ??????. ?????, ??? ?????? ????? ?? {??????|????] ?-?????? ???? ?????? ?????. ????? ????? ?? ??????: ????? ?????? ???????? ????? ?? ????? ?????