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