\documentclass[11pt]{scrartcl}
\usepackage{evan}

\begin{document}
\title{Shortlist 2008 N4}
\subtitle{Evan Chen}
\author{Twitch Solves ISL}
\date{Episode 42}
\maketitle

\section*{Problem}
Let $n$ be a positive integer.
Show that the numbers
\[ \binom{2^n - 1}{0}, \;
  \binom{2^n - 1}{1}, \;
  \binom{2^n - 1}{2}, \;
  \dots, \;
  \binom{2^n - 1}{2^{n - 1} - 1}\]
are congruent modulo $2^n$ to $1$, $3$, $5$, $\dots$, $2^n - 1$ in some order.

\section*{Video}
\href{https://www.youtube.com/watch?v=7pe77MGepSc&list=PLi6h8GM1FA6yHh4gDk_ZYezmncU1EJUmZ}{\texttt{https://youtu.be/7pe77MGepSc}}

\section*{External Link}
\url{https://aops.com/community/p1555932}

\newpage

\section*{Solution}
TO BE WRITTEN

check twitch stream

\end{document}
