\documentclass[envcountsame]{llncs}
\usepackage{llncsdoc}


\title{title}
\titlerunning{title running}
\toctitle{toc title}
\subtitle{sub title}
\author{author aaa\inst{1} author bbb\inst{2}}
\authorrunning{authorrunning}


\begin{document}
\maketitle

\begin{abstract}
abstract
\end{abstract}



\section{section a}
aaaa


\subsection{subsection a}
\subsubsection{subsubsection a}
\paragraph{paragraph a}


\bibliographystyle{junsrt}
\bibliography{cbc}
\nocite{kono:2002a, kono:2000a, kono:2008a, yogi:2008a, yogi:2008b, yan:2002a,gcc_internals}



\end{document}