UVA12421 (Jiandan) Mua (I) - Lexical Analyzer

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3852 [PDF](https://uva.onlinejudge.org/external/124/p12421.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12421/adc0dabd19b78c5f47c67a4548f7617723d616dc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12421/546a3852d1b1e76d173bd9d29b113e7ed93e2eb2.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12421/71d7ce8723374cb0f0abfded096d726265226789.png)