\documentclass{article}
\usepackage{russian}
\usepackage{cyrsam}

\input{macros.tex}

\begin{document}

This is a document, right? And this is a key \hKEY{Enter}, and a user can be
\hUSER{root}, okay? The \hPROG{Emacs} is an editor, while \hPROG{\LyX}
is \LRARROW a word processor substitute.

\end{document}
