{????????? ????????????? ??????????? ??????? ?????????????? ??????.????? ?????? ????? ??????????? ????????????? ???????? ??????????????? ??? ????? ??????? ???? ??????? (34){??????????? ????????? ???? ?????????? ??? a ????????????? ???????????? ???????????, ?????? ?????? ?????? present ??? ???????? ??? ?????? ????????????????? ?? ?????????????? ???