\font\LARGE=cmr10 at 16pt
\font\LARGEbf=cmbx10 at 16pt
\font\large=cmr10 at 14pt
\font\largebf=cmbx10 at 14pt
\overfullrule=0pt
\let\epsilon\varepsilon
\parindent=0pt

\def\mois{\ifcase\month\or janvier\or f\'evrier\or mars\or avril\or mai\or juin\or juillet\or ao\^ut\or septembre\or octobre\or novembre\or d\'ecembre\fi}

\def\titlepage#1#2#3{
\countdef\pageno=0 \pageno=0
\footline={\ifnum\pageno=0 \hfil \else \hss\number\pageno\hss \fi}
\null\vfill
\centerline{\uppercase{\LARGE Universit\'e de Montr\'eal}}
\vskip 1cm
\centerline{\uppercase{\LARGE #1 -- #2}}
\vskip 4cm
\hrule height 0.5mm
\vskip 0.5cm
\centerline{{\LARGEbf #3}}
\vskip 0.5cm
\hrule height 0.5mm
\vskip 4cm
\centerline{\large FULL NAME (P CODE)}
\vskip 4cm
\centerline{\large \number\day\ \mois\ \number\year}
\vfill
\break\par}

\def\title#1{\centerline{\LARGEbf #1}}

\def\beginlist{\leftskip 8ex\par}
\def\endlist{\par\leftskip 0pt\par}

\countdef\secno=1 \secno=1

\def\sec #1 {\vskip 2em \centerline{\largebf\number\secno. #1}\vskip 1em\par\advance\secno by 1}

\def\subsec#1{\vskip 1em \centerline{\large #1}\vskip 1em\par}

\countdef\qstno=1 \qstno=1

\def\qst #1 {\vskip 2em \centerline{\bf\number\qstno. #1}\vskip 1em\par\advance\qstno by 1}

\def\qed{\hfill$\vcenter{\hrule \hbox to 10pt{\vrule height 10pt \hfill \vrule}\hrule}$\par}
\def\overRightarrow #1{\ {\buildrel #1\over\Rightarrow}\ }