#author("2021-09-05T03:53:40+00:00","","")
IP:133.123.44.206 TIME:"2021-09-05 (日) 12:53:40" REFERER:"http://odz.sakura.ne.jp/projecteuler/index.php?Sohbet" USER_AGENT:"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Firefox/91.0"