#include <stdio.h>
#include <string.h>
int
main(int argc, char *argv[])
{
char buf[100];
int a, b;
int status = 0;
sscanf ("12ab", "%dab%n", &a, &b);
sprintf (buf, "%d, %d", a, b);
puts (buf);
status |= strcmp (buf, "12, 4");
sscanf ("12ab100", "%dab%n100", &a, &b);
return status;
}