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\usepackage{alltt}

\usepackage{color}
\usepackage{graphicx}

\hypersetup{
  pdftitle={Compiling code and using MPI},
  pdfauthor={http://scitas.epfl.ch},
  colorlinks=true,
  urlcolor=blue
}

\title{Compiling code and using MPI}
\author{\url{scitas.epfl.ch}}
\date{} 

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\setbeamercolor{itemize item}{fg=gray}


\begin{document}
\input{document}
\end{document}