\documentclass[12pt]{report}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[style=english]{csquotes}
\usepackage[english, spanish, catalan]{babel}
\usepackage{graphicx}
\usepackage{geometry}
\usepackage{hyperref}
\usepackage{titlesec}
\usepackage{lipsum}
\usepackage{fancyhdr}
%% Bibliography
\usepackage[backend=biber,style=numeric]{biblatex}
\DefineBibliographyStrings{english}{
bibliography = {References},
}
\addbibresource{references.bib}
%% Cover, abstract and page style
\input{template}
%% Assemble the document
\begin{document}
\createcover
\pagenumbering{roman}
\createabstract{english}{Your English abstract}{\textbf{Keywords:} Keyword 1, Keyword 2, Keyword 3}{\textbf{AMS Codes:} XXXX}
\clearpage
\createabstract{spanish}{Your Spanish abstract}{\textbf{Palabras clave:} Palabra clave 1, Palabra clave 2, Palabra clave 3}{\textbf{Códigos AMS:} XXXX}
\clearpage
\createabstract{catalan}{Your Catalan abstract}{\textbf{Paraula clau:} Paraula clau 1, Paraula clau 2, Paraula clau 3}{\textbf{Codis AMS:} XXXX}
\tableofcontents
\clearpage
\pagenumbering{arabic}
\input{content/Introduction}
\input{content/Problem Formulation}
\input{content/Problem Solving}
\input{content/Conclusions}
\input{content/Future work}
\printbibliography[heading=bibintoc]
\input{content/Appendix}
\end{document}
