\documentclass[11pt]{article}

\usepackage{lecture}

\begin{document}

\lecture{0}{1/22/2013}{Template}{Your name}

\draft % put this here only if you want to indicate this is a draft

\section{Environments}

\begin{theorem}
This is an example of the theorem environment.
Other theorem-like environments are: claim and exercise.
\end{theorem}
\begin{example}
This is an example of the example environment.
\end{example}

\end{document}
