UVA10721 Bar Codes

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1662 [PDF](https://uva.onlinejudge.org/external/107/p10721.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10721/7d4ad0c17701e379074b32e339b52946fa44b812.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10721/b7866038643cb9f110f09d72924e2c49193a7346.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10721/71c335ea974c1d700395e0c7e744d3c421850977.png)