\documentclass[8pt]{beamer}
\usetheme[]{Berlin}
%\definecolor{mynewcol}{RGB}{1,166,171}
%\usecolortheme[named=mynewcol]{structure}
\usepackage{lmodern} \renewcommand*\familydefault{\sfdefault} \usepackage[T1]{fontenc}
\usepackage{graphicx,longtable,amsfonts,booktabs,fancyhdr,lastpage,hyperref,bookmark,float}
\usepackage[figuresleft]{rotating}
\begin{document}
\title[{\makebox[.95\paperwidth]{\hfill\insertframenumber/\inserttotalframenumber}}]{ {{{rtitle}}} \\}
\setbeamertemplate{navigation symbols}{}
\begin{frame}\titlepage
\end{frame}
{{{rrres}}}
\end{document}
