yesno --- $B$O$$(B/$B$$$$$($r<uM}$9$kJ8K!(B
====================================

$B"!J8Nc!'(B
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$B$O$$!%(B
$B$$$$$(!%(B
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$B!V$O$$!W!V$$$$$(!W$N$_$r<uM}$9$k%7%s%W%k$JJ8K!$G$9!%(B
