\documentclass[12pt,b5paper]{article}
\usepackage{anysize}
\marginsize{3cm}{3cm}{3cm}{3cm}
\addtolength\topmargin {-\headheight} \addtolength\topmargin {-\headsep}
\addtolength\textheight{\headheight} \addtolength\textheight{\headsep}
\addtolength\textheight{\footskip}

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\else \special{papersize=\the\paperwidth,\the\paperheight}\fi

\usepackage[latin2]{inputenc}
\usepackage[T1]{fontenc}
\def\magyarOptions {defaults=prettiest,hyphenation=huhyphn,afterindent=force-yes,labelenums=hu-a,frenchspacing=yes}
\usepackage[magyar]{babel}
\usepackage{calc}

\newcommand*{\bejegy}[1]{\vspace*{11pt}\par\noindent\Large\textit{\emitdate{b}{#1}}\normalsize\par}
\newcommand*{\Juditnak}[1]{\par{}Juditnak: \textit{#1}\par}

\newenvironment{vrs}[1]
{\setlength{\Vers}{0pt}\settowidth{\Vers}{#1}\setlength{\VersKi}{(\textwidth-\Vers)/2}
\hspace{\VersKi}\normalsize\begin{minipage}{\textwidth-\VersKi}}{\end{minipage}}

\newenvironment{Vrs}[2]
{\vspace*{12pt}\begin{center}\normalsize\textsc{\MakeUppercase{#1}}\end{center}\normalsize\begin{vrs}{#2}}
{\end{vrs}}

\newenvironment{vers}[3]
{\begin{center}\LARGE\textit{#1}\end{center}\begin{Vrs}{#2}{#3}}
{\end{Vrs}}

\newlength{\Vers}
\newlength{\VersKi}

\tolerance=10000
\hyphenpenalty=0
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\widowpenalty=8000
\itemsep=0pt
\def\bfdefault{b}
\setlength{\parindent}{0pt}
\setlength{\parskip}{0pt plus 1pt}
\thispagestyle{empty}

\begin{document}

\begin{vers}{Szieberth Ádám}{Modern ember esti verse}{A fejleményekről beszámolok}
Ma sem tettem semmit\\*
Ma sem változtam\\*

De holnap fogok\\*
A fejleményekről beszámolok\\*

Halhatatlan vagyok\\*
Halhatatlan vagyok?\\*
\end{vers}

\end{document}