UVA11236 Grocery store

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2177 [PDF](https://uva.onlinejudge.org/external/112/p11236.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11236/ed9636b6ab4851b843c5ec318222c36c03e93c70.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11236/9426dbcdca04ea783f385a5da2b7b9b2fb29c337.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11236/e45ad9ffed031093e3e7a46888e435f55dc17604.png)