Update README.md

Author: yangyang14641

README.md

@@ -5,9 +5,9 @@ Parallel programming course at Peking University
 <img src="http://logok.org/wp-content/uploads/2014/04/Peking-University-logo.png" width="50%" height="50%" />
 </center>
 
+ Yes We Code
 <center>
 <img src="https://octodex.github.com/images/baracktocat.jpg" width="50%" height="50%" />
-Yes We Code
 </center>
 
 ## Contents