???? ??? ???? ?? ???????? ??? ??????? ??? ?? ???? ??????? ???? ??? ???? ???? ??? ????????? ????? ?? ???? ????? ?????? ????? Computer system city ?? ??????? ??????? ???????? ??? ???? ???? ??? ???? ?????? ???? ??  ???? ???? ??? ???? ????? ?????????? ?????? ????????: ??????? ?????? ????