UVA11021 Tribles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=22&page=show_problem&problem=1962 [PDF](https://uva.onlinejudge.org/external/110/p11021.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11021/dc00578efa81b6aad117bc54386f7e892627c921.png)

Input Format

N/A

Output Format

N/A