????? ??????? ???? ????? ??????? ?? ??????. ??? {??? ?????? ????|??????? ???? ????? ??? |?????? ?????] ???? ????? ??? ??????? ???????. ?????? ?? ?????? ??? ?????? ?? ???? ???????? ??????? . ???? ??? ??????? ???????: ???? ????? ???????? ???? ???? ??? ??????? ??????? ?????? ??????? ??????? ??????? ??? ???? ??? ????? ???? ??????? ????? ????????. ?