UVA12017 Imitation

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3168 [PDF](https://uva.onlinejudge.org/external/120/p12017.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12017/cd6aedb43b4079789fb51f81dfeafabe64a6ad19.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12017/b99962fe2599112d2b5dd055cefc2ecb1f13bb84.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12017/6e5e4bf483b493e7ad05d94a42448cdb2beef564.png)