UVA648 Stamps (II)

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=589 [PDF](https://uva.onlinejudge.org/external/6/p648.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA648/e1a37815fb277f991c66549dd26304c15dad4d87.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA648/e8393ea380fc89e534c1858cd4e3ba9ec918018a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA648/d7c246a5a196e3778badb291df3ee9adfc8f9061.png)