UVA12921 Triple shot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4800 [PDF](https://uva.onlinejudge.org/external/129/p12921.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12921/8dc3a639bc40421f393e704a143bae0715ddd48c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12921/8ca37138a86a08d219d1cc8941fc04b690dc0ff8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12921/4e69628c180d3a9ff131a7075f7b5565fdc2f618.png)