#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 ();
sscanf ("12ab100", "%dab%n100", &a, &b);
return 0;
}