extern int open(const char *, int);
extern int write(int, char *, int);

char intToLetter(int i) {
  switch (i) {
  case 0:
    return '0';
  case 1:
    return '1';
  case 2:
    return '2';
  case 3:
    return '3';
  case 4:
    return '4';
  case 5:
    return '5';
  case 6:
    return '6';
  case 7:
    return '7';
  case 8:
    return '8';
  case 9:
    return '9';
  }

  return '?';
}

char* makeIntString(int i) {
  char a[3];

  int hundreds = i / 100;
  int tens = (i/10) % 10;
  int ones = i % 10;

  a[0] = intToLetter(hundreds);
  a[1] = intToLetter(tens);
  a[2] = intToLetter(ones);

  return a;
}

__attribute__ ((visibility ("default")))
int main() {
  int fd;
  int x;

  fd = open("stdout", 0x42);

  for (x = 0; x < 100; x++) {
    int wrote = 0;
    if (x % 3 == 0) {
      wrote = 1;
      write(fd, "Fizz", 4);
    }
    if (x % 5 == 0) {
      wrote = 1;
      write(fd, "Buzz", 4);
    }

    if (wrote == 0) {
      write(fd, makeIntString(x), 3);
    }

    write(fd, "\n", 1);
  }

  return 0;
}