UVA12088 Expression

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3240 [PDF](https://uva.onlinejudge.org/external/120/p12088.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12088/bc6ebee0bd3f1d2743065cbbfde6b31f4101b4cc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12088/39ef79aa1bbc6086f8ac57927f2fe4a478196f69.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12088/0ed87e2b1f6a088d29c340c25693f66954319d6c.png)