UVA11417 GCD

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2412 [PDF](https://uva.onlinejudge.org/external/114/p11417.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11417/348626eaee96dc30e5a0bfd83a9d1953ce442021.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11417/f228049cea5061a9b49a1c8d51e3527a580b49d8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11417/cd38a9d22098c860affd41524df616ff21959ed8.png)