set title "drum3bufga4turbo1.debug" 
set ylabel "Track" 
set xlabel "Time, seconds" 
set ytics nomirror textcolor rgbcolor "red" 
set size ratio 0.71 
set terminal pdf size 26.7cm, 19cm 
set output "plot.pdf" 
set autoscale y2 
set y2label "LY cps" 
set y2tics nomirror textcolor rgbcolor "blue" 
plot "sk.dat" using 1:2 title "SK" with points, "lk.dat" using 1:2 title "LK" with points, "ly.dat" using 1:2 title "LY" with points axes x1y2 
pause -1 "drum3bufga4turbo1.debug"