\documentclass{ucy-thesis}
\usepackage{framed} % For drawing frames
\usepackage{graphicx}
\usepackage{setspace}
% Find details on how to create your thesis here: https://www.cs.ucy.ac.cy/index.php/el/education/undergrad/prodiagrafes-ade
% word template: https://view.officeapps.live.com/op/view.aspx?src=https%3A%2F%2Fwww.cs.ucy.ac.cy%2Fdocs%2FOdegies%2520ADE.doc&wdOrigin=BROWSELINK
\begin{document}
\frontmatter
\input{frontmatter/titlepage}
\input{frontmatter/Acknowledgements}
\input{frontmatter/Abstract}
\input{frontmatter/tocs}
\mainmatter
\input{mainmatter/Chapter-1}
\input{mainmatter/Chapter-2}
\input{mainmatter/Chapter-3}
\input{mainmatter/Chapter-4}
\input{mainmatter/Chapter-5}
\Urlmuskip=0mu plus 1mu\relax\sloppy
\bibliographystyle{IEEEtran}
\bibliography{references}
\begin{appendices}
\renewcommand{\thechapter}{\Roman{chapter}}
\titleformat{\chapter}[display] {\normalfont\huge\bfseries}{APPENDIX~\thechapter}{0pt}{\huge}
\input{mainmatter/Appendix-1}
\end{appendices}
\printindex
\end{document}
\end{document}
