???????? ????? ??? ?? ?????? ????????? ??????????? ??? ?? ????????? ??????????? ?????? ??? ?? ??? ??????????? ?? ??????.????????????? ????? ?????????? ??????? ??? ??????????? ???? ??? ??? ????????!?????????? ? ???????? ??????????? ?? ?? ?????? ????: «???????? ???? ???? ??? ???? ??? ????? ????, ????? ???????????»The background system also handles