#include <stdio.h>

#include <stdlib.h>

int

main(int argc, char *argv[])

{

  int a, b;

  a = b = -1;

  sscanf ("12ab", "%dab%n", &a, &b);

  printf ("%d, %d\n", a, b);

  if (a != 12 || b != 4)

    abort ();

  a = b = -1;

  sscanf ("12ab100", "%dab%n100", &a, &b);

  printf ("%d, %d\n", a, b);

  if (a != 12 || b != 4)

    abort ();

  return 0;

}