输入任意字符串测试，出现“再好好看看“的文字，并没有啥特殊的。F12查看源码，发现一大堆东西，如下：
([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+([]+[])[+[]]+(+[[]]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[!+[]+!+[]+[+!+[]]]+(+(!+[]+!+[]+!+[]+[!+[]+!+[]]))(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(+[]+([]+[])[([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+([]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([][[]]+[])[+[]]+([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(+[]+[[]]+([]+[])[([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+([]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([][[]]+[])[+[]]+([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+!+[]]])[!+[]+!+[]+[+[]]]+(+(+!+[]+[+[]]+[+!+[]]))(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(+[]+([]+[])[([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+([]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([][[]]+[])[+[]]+([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(+[]+[[]]+([]+[])[([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+([]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([][[]]+[])[+[]]+([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+!+[]]])[!+[]+!+[]+[+[]]][+!+[]]+([]+[])[+!+[]]+(![]+[])[+[]]+([]+[])[+[]]+(+(!+[]+!+[]+[+[]]))(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(+[]+([]+[])[([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+([]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([][[]]+[])[+[]]+([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+[]]+(![]+[])[+!+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(+[]+[[]]+([]+[])[([][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[][([]+[])[+[]]+([[]]+[][[]])[+!+[]+[+[]]]+([]+[])[!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+([]+[])[!+[]+!+[]+!+[]]+(![]+[])[+[]]+(![]+[])[+!+[]]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查阅发现是jother编码。然后将它复制粘贴到console中回车，出现了flag,然后把flag大写提交，成功了！开心！
