UVA543 Goldbach's Conjecture

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=484 [PDF](https://uva.onlinejudge.org/external/5/p543.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA543/7590f71e34bea02e53ff52c7f464c53961054665.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA543/9771b1c90b5a10c23aa97fbb657ae1bc2ed869fe.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA543/260319eb4f005de9784c4e02c8373a79b516c597.png)