??
2?1?,????? ???????? ???????? 2????????????????????1????????,????? ??? ?????? 2????????1???,??????????????????????? ??? ? 2???1?,??????? ??? ????? 2?1??????????????????,?????????? ???????????????????????? ????????????????????? 2?????????????????????????1???,?????,???????? ????? ? 2?1????????,??????????? ? ? 2?????1????????,??????????? ????? ? 2???????????????????????1?????,???????????????????? ??? ? 2?1?,????????????????????? ???????? ???????????????????????? 2?????????????????1????????,??? ? ???????? ??:?????????
?????????
?????(??)????:???????????????????????