d16.tex

\documentclass{article}
\usepackage[dvips]{geometry}
\usepackage{fancyvrb}
\usepackage[dvips]{graphicx}
\usepackage{framed}
\usepackage{amssymb,amsmath}
\begin{document}

\title{Day 18: I/O}
\author{}
\date{}

\maketitle

\input{d16-io}


\end{document}