?2????2? ?,?2?1????,?1?????????31????????????,??????????,??????????????19??????

???:??????????????????,???1?????31?????????????,??????????,????????????????????????????????

???,?????????????????2??????1???????????????????,??????????,??

?,??1????31????????????????????????,?????????????????????????,??????????????,???????????

???,???????????????????????,????,????????????????????????????????

??????????????????????????????????,?2?1????,?????,????

?????????????:????????

??

??:???????????,??????????,??????????????