```pascal
assign(input,'input.txt');
reset(input);
assign(output,'output.txt');
rewrite(output);
```
by dblark @ 2018-07-30 20:07:41
多谢！
by ArachnidaKing @ 2018-08-26 20:26:20
# 多谢
by wuyutong111 @ 2018-09-12 20:26:54
不加会RE
by 我是蒟弱 @ 2019-02-04 17:35:30
不加会RE
by 我是蒟弱 @ 2019-02-04 17:35:30
Orz
by optimize_3 @ 2019-07-29 19:23:19
感谢
by K0stlin @ 2019-08-07 19:56:19
**多谢**
by InkWosly @ 2020-11-20 16:36:00
谢谢
by Zhongxinzhe @ 2021-12-26 14:21:35
谢谢
by Failure_Creator @ 2022-01-04 20:48:21