UVA10787 Modular Equations

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1728 [PDF](https://uva.onlinejudge.org/external/107/p10787.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10787/0b7a03d7f413c1ae5c278e8266f88beee0f3dea2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10787/c9fc7bb560ea1dfd2d9f74b227e142c0cae85e63.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10787/3c2b0c2bc452fdeb434e1f41c81d716bff34ef6a.png)