?¤?????°±??ˉ???????¤????
???????¤??°±??ˉ?¤???????
????????¨????o????????o??????·?????¨???
????¤????é????????è￡??????±?????￠è???????o????￥?????????????
a?????a??a??????1???ˉè??a??a??a??
???????¤??·2??????é?¤?o????????1????????????1???
??°??¨????????????é???????ˉ??????????|????è??????oo????′???????
?-￡??ˉ????¤????????±?é??é?￡é????·??????é?￡?1????
?1???ˉ?￥1??3???é?¤è??èμ°é?????è?????????¤??????????????????¨??o???
????¤?è?aè¨?è?aèˉ-???:a??????1????????￥1??o????1?è???????￥???a??
???????????????é????????????????????????¤????è???-?:
a??????ˉ1?￥1????o?????1????èˉ′??????a??
é?????é??è|?????¤????????-???????
?????o??′é?¨è????￥???è-|?ˉ??·2???è???o??????-???è?￥??-???
a??????¤????è·???????èμ°???è????§???a??
a???????￥???a??????¤???????????????????è?????è?????????????°é??è?????????o??′??o￠è?2???a??????????????a??
è??????????????????2???????????o??￥1????ˉ?????????????
a??????¤?????????°?o?????ˉ1?¤??¤?????o?????1????a??