UVA10932 Calculator

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1873 [PDF](https://uva.onlinejudge.org/external/109/p10932.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10932/a4e8a441e7770fb2d4ab691aa3ad995ad5a58d10.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10932/0ea62904064b2832be5f4a77636af4d27e686dbf.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10932/a4519e5e0c67ea0050ec5b7c9a7be1ea5e3e003b.png)