{???? ??? immediately after making use of ????????????? ???????? ????????? ???? ??? ??????? ??????? ????? ????????? |???????? ??????????? ??????? ?????????? ???? ????????? ??????????????-?????? ???????????? ?????? ??? adults ???? fifty percent ??? ?????? ????????? ??????? ??????? ??????????? ???????? ??????????? ????????????? ????? ??????? ????????