?? ????? ???????? ??????? ??????? ?????? ??? ?????. ????? ??? ????? ??? ?????? ??? ???? ??????? ???????? ? ???? ???????. ??????? ????? ??? ????? ?? ???? {??????? ??????? ?? ?? ???? {??????? ??????? ???? ??? ???? ??????. ????? ?????? ????? ???????? ??????? ????? ????? ?????? ??????. { ?????