\documentclass[12pt]{book}

\usepackage{latexsym}
\usepackage[italian]{babel}

\usepackage{amsmath}

\usepackage{amssymb}

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[cyr]{aeguill}

\usepackage{alltt}

\usepackage{multicol}

\setlength{\parskip}{0cm}
\parindent 0.4cm
\oddsidemargin -0.5cm
\evensidemargin -0.5cm
\topmargin -0.5cm
%\lowermargin -2cm
\textheight 700pt
\textwidth 500pt


\begin{document}
\pagestyle{empty}

\twocolumn
 \begin{alltt}\normalfont
\begin{center}





\end{center}
\end{alltt}

\end{document}