unset key
set size ratio -1
unset xtics
unset ytics
 plot './out' w l, './out-1' w l, 'out-2' w l, './log' u 1:2:3 w labels, './log-1' u 1:2:3 w labels, './log-1' u 1:2:4 w labels, 'log-2' u 1:2:4 w labels