\documentclass[12pt]{article}
\usepackage{geometry}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{enumitem}
\usepackage{fancyhdr}
\usepackage{tikz}
\usetikzlibrary{trees}
\pagestyle{fancy}
\lhead{Problem \arabic{enumi}}
\chead{Austin Bossart - Homework Number}
\rhead{Recitation 202}
\begin{document}
\begin{enumerate}
\title{Homework Number Solutions}
\item Fill in here
\end{enumerate}
\end{document}
