UVA142 Mouse Clicks

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=78 [PDF](https://uva.onlinejudge.org/external/1/p142.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA142/9b88ea9789fb1bced18a317ee5b519f595b5bb23.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA142/411c7a847100100ee457c9ddbba8091b9277fa2d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA142/be78867b1270323ca7524317c66a3140797d35c0.png)