\documentclass[12pt, a4paper, ngerman]{article}
\usepackage[utf8x]{inputenc}
\usepackage{ucs} % unicode
\usepackage[T1]{fontenc}
\usepackage{t1enc}
\usepackage{type1cm}

\sloppy

\begin{document}
\input{Beispiel1_3.tex}
\end{document}