/* pnmsize.c - Don Yang (uguu.org)

   http://netpbm.sourceforge.net/doc/pbm.html
   http://netpbm.sourceforge.net/doc/pgm.html
   http://netpbm.sourceforge.net/doc/ppm.html
   http://netpbm.sourceforge.net/doc/pam.html

   2013-05-05
                                                                           */

#include<stdio.h>

int main(int argc, char **argv)
{
   char buffer[1024];
   int header_size, i, j;
   int width = 0, height = 0;

   header_size = fread(buffer, 1, sizeof(buffer) - 1, stdin);
   buffer[header_size] = '\0';
   if( buffer[0] == 'P' && buffer[1] >= '1' && buffer[1] <= '7' )
   {
      /* Remove comments from header */
      for(i = 2; i < header_size; i++)
      {
         if( buffer[i] == '#' )
         {
            for(j = i; j < header_size && buffer[j] != '\n'; j++)
               buffer[j] = ' ';
            buffer[j] = ' ';
            i = j;
         }
      }

      if( buffer[1] != '7' )
      {
         /* PBM/PGM/PPM */
         if( sscanf(buffer, "P%d %d %d", &i, &width, &height) != 3 )
            width = height = 0;
      }
      else
      {
         /* PAM */
         if( sscanf(buffer, "P7 WIDTH %d HEIGHT %d", &width, &height) != 2 )
            width = height = 0;
      }
   }
   printf("%d %d\n", width, height);
   return 0;
}