Very first, we offer ?????????? ??????? ????????????????? ???????? ????????? ??????????? ??? ?????? ?????????????? ??????? ha an effect on ?????????? ?????? ?????? ????????????? ???????? ?? ????????. ??????????? ????? ?? ??????? ?????? ???? ?????? ??????????? ????? ???????????? 2nd ?????? involve ???????????? ????? ????????? ?? ???? ? ??? ??????