--- a/hws/hw03.tex	Mon Oct 05 04:05:20 2015 +0100
+++ b/hws/hw03.tex	Thu Oct 08 14:06:18 2015 +0100
@@ -6,6 +6,8 @@
 
 \section*{Homework 3}
 
+\HEADER
+
 \begin{enumerate}
 \item What is a regular language? Are there alternative ways to define this
   notion? If yes, give an explanation why they define the same notion.