UVA717 Calculating Expressions on Turing Machine

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=9&page=show_problem&problem=658 [PDF](https://uva.onlinejudge.org/external/7/p717.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA717/3e070405c48e2b873968a746a17a0cf2cbd0dab0.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA717/f8112df524240a6690b691b585a401198b58237f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA717/7320acd85d063238eba5469f3cab9dbe50e39183.png)