#include <stdio.h>

int main() {
   float x0=50.0, y0=50.0, xmax=512.0, ymax=512.0, dx, dy, difference;
   int beginning_number, end_number,
      k, maxk,
      kprev, maxkprev;
   float avgk, avgkprev;
   scanf("%d %d\n", &beginning_number, &end_number);
   difference=(end_number-beginning_number)*1.0;
   scanf("Square root= %d Maximum= %d Average= %f\n",
         &kprev, &maxkprev, &avgkprev);
   printf("%%!PS-Adobe-3.0 EPSF-3.0\n");
   printf("/color1 {0.75 setgray} def\n");
   printf("/color2 {0.5 setgray} def\n");
   printf("%.3f %.3f translate\n", x0, y0);
   printf("1.0 0.0 0.0 setrgbcolor 0.0 0.0 moveto %f %f lineto stroke\n",
          xmax, ymax);
   
   dx=xmax/difference;
   dy=ymax/difference;
   while (scanf("Square root= %d Maximum= %d Average= %f\n",
                &k, &maxk, &avgk)==3) {
      printf("%.3f %.3f moveto color1 %.3f %.3f lineto stroke\n",
             (kprev-beginning_number)*dx, maxkprev*dy,
             (k-beginning_number)*dx, maxk*dy);
      printf("%.3f %.3f moveto color2 %.3f %.3f lineto stroke\n",
             (kprev-beginning_number)*dx, avgkprev*dy,
             (k-beginning_number)*dx, avgk*dy);
      kprev=k;
      maxkprev=maxk;
      avgkprev=avgk;
   }
   printf(
      "0.0 %.3f moveto 0.0 setgray 0.0 0.0 lineto %.3f 0.0 lineto stroke\n",
      xmax, ymax);
   printf("showpage\n");
   return 0;
}