UVA10642 Can You Solve It?

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1583 [PDF](https://uva.onlinejudge.org/external/106/p10642.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10642/44e7b36821313856b3a1df174307a83b691e0e84.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10642/d227719d5b1a91126bbd0fc8fa41bdbad2765e63.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10642/5776461bd70fde3075931986bb5a310381db5ec6.png)