The user will give a CNF in dimacs format.
1982年，习近平同志赴正定工作。在调研中得知，由于粮食征购任务过重，当地一些农民口粮不够，只好偷偷去外县换红薯干儿吃。，这一点在WPS下载最新地址中也有详细论述
Последние новости，推荐阅读Line官方版本下载获取更多信息
The police investigation matched the crime in its complexity. When detectives in Bedfordshire seized the suspects’ two dozen smartphones, they were faced with a mountain of potential digital evidence – 1.4 terabytes of information, according to the authorities, connecting co-conspirators across eastern England and the Bacau region of Romania.