\documentclass[]{article}
\usepackage[russian]{babel}
\usepackage{graphicx}
\usepackage[russian]{babel}
\pagestyle{empty}
\usepackage{multicol}
\usepackage[margin=1.5cm,top=1cm]{geometry}


\begin{document}

\begin{center}
    \input{titlepage}
\end{center}

\newpage

\begin{multicols}{2}
    \input{article}
\end{multicols}

\end{document}
