Final code

Read more of my works on Wen's website a meteor shower brought the mysterious virus to the earth. It infected human beings and turned them into terrible zombies Shang Yu and Zhang Ling, two poor students who grew up in an orphanage, how to survive in this last world in the end, the most terrible thing is always the people's heart (it's hard to forgive me for writing for the first time. I'm a student and can't change at any time)