\documentclass[a4paper,10pt]{article}
\usepackage{graphics}
\usepackage{amsmath, amssymb, hymcbk, xspace}
\usepackage{euscript, array}
\begin{document}
\pagestyle{empty}
\vspace*{\stretch{1}}

\includegraphics{pilote.10}

% \medskip

% \includegraphics{pilote.5}

% \medskip

% \includegraphics{pilote.3}


\vspace*{\stretch{1}}
\end{document}

