\pgfmathparse{0}\let\xa\pgfmathresult
\pgfmathparse{2}\let\ya\pgfmathresult
\pgfmathparse{#XB}\let\xb\pgfmathresult
\pgfmathparse{0}\let\yb\pgfmathresult


\begin{tikzpicture}
   \input{/usr/local/tikz/Common.tikz}
   \input{/usr/local/tikz/Rectangle/Draw.tikz}   
\end{tikzpicture}
