UVA444 Encoder and Decoder

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=6&page=show_problem&problem=385 [PDF](https://uva.onlinejudge.org/external/4/p444.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA444/417cf932fd6f28e84f0c06480f476e5a8e8f375e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA444/7e68614ced60e7a0722f99c7e004740179345596.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA444/49b190ad2a14019854b438ac6233b56d243bbf06.png)