???è?1è??????oo???èˉ·?¤a?????????è?1??±?????????è?±?o???§???0
a?????è§?????1???·???a??
è?±?o???§?1???ˉ?¨??????ˉ???é???¤§???????????????????1????????????-??-????????°?μ??3a???a???????????????§??§???§????o?????2??o????a?|a?|a??
è????·?????￡???è￡?????????μ?????ˉ????±??-???′?2?????????o??￥???????2????é??????|????????°±?????¨?o?è?1?????ˉ????¤a???????????????è??è?ˉ?????￡?????￡??°??????è?±?o???§???
???????ˉ1è??é???§?????????±???é??è￠????????°??????¨???è???§?????o?????-????è?±?o???§???
è???§????é?￠???è??é???§??????3?¤???????
?-￡??3é????oè§?é￠????????±??-???′?·2????°?è?ˉ????????????????￠??°±è|?èμ·èo??|????é?a??°è?????
é￡?é?a??a????????·é￡?é??????¤?è?2????????????????¤§èμ·??￥???é???o|?????o??￥é￡?????????????
????±??-?????-￥èμ????è??è??è?????é???o|?1???????è??????·???1è??è?????????o????è·¤???
??ˉ?????′????ˉ??2???????é??????????????è??èμ°è????????è?1èμ°è?1é??èo????????????????a??????|??????￥?????￥???èˉ′????1????????￥1????2????????°????a??
???????2?é????????????|????????-????a??????????????????|??2????????°?????????a?ooé??é??????o?è??è??è????????????1??2??????o??￥è???o????a??
?????°è????a????-????????±??-??????￡???????-￥??????é?????
???????o??μ?é?2??o??????è????????a??è?￥??ˉ??￥??????é???§?????￥1????????????????o??¤§é?1?????o????￥1?￥????????o?a?|a?|a??
???????????¨?1?????o????
???èˉ???°è????1??????????o?è????????????????¨???è??é???§???????é?¨???????′§?????°è?????é????¨é￠¤??????
a??é???§????a??
????oo????-????