????? ??? A ??? ???? ??????? ??? ????? ???????? ??? ??? ????????? ???? ??? ???????? ??? ???????????? ????????? ???????????????? ??? ?????? ??? conclusion ????? ?????????????????? ????? ??????????????????????? ???? ???????????????? ?????????? ?????????? ???????????????????????? ???? ???? ????? ?????????? conclusion ??? sort ??????? of your ????????