\begin{Schunk}
\begin{Sinput}
 x <- c(1,2,3,4,5,6)
 y <- c(1,2,1,2,1,2)
 x + y
\end{Sinput}
\begin{Soutput}
[1] 2 4 4 6 6 8
\end{Soutput}
\end{Schunk}
