\documentclass[a4paper]{article}

%% do not edit the following macro
\usepackage{graphics}
\newcommand{\abs}[4]{
\begin{center}
  {\large\bf #1}

  \vspace*{.6em}
  {#2}

  \vspace*{0.2em}
  {\it #3}

\end{center}
{#4}
}

\begin{document}
\abs{%
% 1. Title of Your Talk 
Title   }{%
%%%% 2. List of Authors
Author(s)  }{%
%%%% 3. List of Affiliations
Affiliation}{%
%%%% 4. Abstract
Abstract}





\end{document}
