#include<stdio.h>

unsigned char buffer[256];
char *signed_buffer = (char*)buffer;
int buffer_size, index, width, height, c, x, y, i;
FILE *input;

#define IF(t, cond, f) if( cond ) { t; } else { f; }

void GetChar()
{
   c = EOF;
   IF(c = buffer[index++],
      index < buffer_size ||
      ((buffer_size = fread(buffer, 1, 256, input)) &&
       !(index = 0)),
      ;)
}

int CompareHeader(int index, char *expected)
{
   return index < buffer_size && *expected
      ? signed_buffer[index] == *expected && CompareHeader(index + 1, expected + 1)
      : 1;
}

void GetImageSize()
{
   #define INPUT_BYTE do{GetChar(); if( c == EOF ) return;} while(0);

   buffer_size = index = 0;
   width = height = 0;
   INPUT_BYTE
   IF(width = (buffer[7] << 8) | buffer[6];
      height = (buffer[9] << 8) | buffer[8],
      CompareHeader(0, "GIF87a") || CompareHeader(0, "GIF89a"),
      IF(for(index = 2;;)
         {
            for(c = 0; c - 0xff;)
               INPUT_BYTE

            INPUT_BYTE
            IF(for(x = 0; x < 3; x++)
                  INPUT_BYTE
               INPUT_BYTE
               x = c << 8;
               INPUT_BYTE
               x |= c;
               INPUT_BYTE
               y = c << 8;
               INPUT_BYTE
               height = x;
               width = y | c;
               return,
               c >= 0xc0 && c <= 0xcf && c != 0xc4,
               ;)

            INPUT_BYTE
            x = c << 8;
            INPUT_BYTE
            x |= c;
            for(x -= 2; x > 0; x--)
               INPUT_BYTE
         },
         CompareHeader(0, "\xff\xd8"),
         IF(width = (buffer[16] << 24) |
                    (buffer[17] << 16) |
                    (buffer[18] << 8) |
                    buffer[19];
            height = (buffer[20] << 24) |
                     (buffer[21] << 16) |
                     (buffer[22] << 8) |
                     buffer[23],
            CompareHeader(0, "\x89PNG\r\n\x1a\n"),
            IF(for(index = 2; index < buffer_size; index++)
                  IF(;,
                     buffer[index] - 35,
                     for(; index < buffer_size && buffer[index] - 10; index++)
                        buffer[index] = 32;
                     buffer[index] = 32)

               buffer[sizeof(buffer) - 1] = 0;
               IF(IF(width = height = 0,
                     sscanf(signed_buffer, "P%d %d %d", &index, &width, &height) - 3,
                     ;),
                  buffer[1] - 55,
                  IF(width = height = 0,
                     sscanf(signed_buffer, "P7 WIDTH %d HEIGHT %d", &width, &height) - 2,
                     ;)),
               buffer[0] == 80 && buffer[1] > 48 && buffer[1] < 56,
               ;))))
}

int main(int argc, char **argv)
{
   IF(for(i = 1; i < argc; i++)
      {
         IF(GetImageSize();
            fclose(input),
            (input = fopen(argv[i], "rb")),
            ;)
         printf("%d %d %s\n", width, height, argv[i]);
      },
      argc > 1,
      input = stdin;
      GetImageSize();
      printf("%d %d\n", width, height))
   return 0;
}