// This code written mainly from information provided at
// http://www.borg.com/~jglatt/tech/midifile/table.htm
#include <stdio.h>
#include <stdlib.h>
typedef unsigned char uchar;
void ex(int d){printf("Bye %d\n", d); exit(4);}
int cc = 0;
uchar nc(){char x = getc(stdin); if(x == EOF && feof(stdin))
  {printf("cc = %d\n", cc); ex(6);}
  ++cc; return x;}
void expect(char * s){while (*s) if(*(s++) != nc()) ex(1);}
int gn(int l) {int k = 0; while(l--) k = (k<<8) | nc(); return k;}

int main(){expect("MThd"); if(gn(4) != 6) ex(3);
  if(gn(2) != 1) ex(2);
  {int tc = gn(2), den = gn(2);
  printf("tc = %d, den = %d\n", tc, den);
  while(tc--) {expect("MTrk"); {int ts = gn(4);
    printf("Chunk: track with %d bytes, (starting at 0x%x)\n", ts, cc);
    while(ts--) nc();}}
  if (getc(stdin) != EOF || !feof(stdin)) ex(5);
  }
 return 0;}
// http://www.borg.com/~jglatt/tech