\documentclass{article}
\usepackage{maa-monthly}
\theoremstyle{theorem}
\newtheorem{theorem}{Theorem}
\theoremstyle{definition}
\newtheorem*{definition}{Definition}
\newtheorem*{remark}{Remark}
\begin{document}
\title{TITLE}
\markright{Submission}
\author{Aaditya Salgarkar}
\maketitle
\begin{abstract}
\end{abstract}
\noindent
\section{Problem}
\end{document}
