??? ???????? ???????? ???????? ???? ???? {???????? ???????.{ ????? ????? ??????? ???????? ?? ???????? ????? ????? ?? ?????? ??? ????? ?????? ??? ?????? ????? ?????????? ?? ??????? ???????? ????? . ???? ? ????? ????? ?????| ????? ?? ?????? ???????? : ???? ?????? ??????? ??????? ????? ???????

?????? ??? ????/???? ??/???? ????????? ????????/???????? ????????/?????? ???????? ????? ??????/??????/????? ???????? ?? ?????? ?? ?????? ??/?????? ?????/?ficulties. ????/?????/??????? ???????? ???????/?????/????? ??????? ??????????? ???????? ?? ??????/???? ???????? ?????? / ???? ???????? ???? ???? ?