UVA11768 Lattice Point or Not

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2868 [PDF](https://uva.onlinejudge.org/external/117/p11768.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11768/d54ebcd076665ed3073d5945f75942945498c19e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11768/b579e30627e9bc1bfeb5f31f456c256401d4a194.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11768/bb0d36a4d9d815620bf2d35836312c781fc1c553.png)