UVA208 消防车 Firetruck

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=144 [PDF](https://uva.onlinejudge.org/external/2/p208.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA208/9772860d49c32b149198b217e4714e0daf523ba9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA208/cc2dc2f62137901c79f363e045d7d9d58463c2b6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA208/27aa199ee9aeb614939bb7fed68dd26216098adc.png)