UVA12229 Box Relations

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3381 [PDF](https://uva.onlinejudge.org/external/122/p12229.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12229/db9fed281eaf8e14b2d33e741a9fe7181b9f889b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12229/a7ce44446dba6296c882bbcf6c842d8416b0a3ca.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12229/4d435ebb1af0424140e88cc9b21da68547b2bc7f.png)