#include <stdio.h>
#include <stdlib.h>

int sequencePoint(long a, long b)
{
  long c;

  c = a*b;
  printf("a=%ld, b=%ld, c(a*b)=%ld, c/b=%ld\n", a, b, c, c/b);
  if (c/b != a) {
    return 1;
  }
  return 0;
}

/* Call as e.g. a.out 4294967296 4294967296 for blammo */
int main(int argc, char *argv[]) 
{
  long a = atol(argv[1]);
  long b = atol(argv[2]);

  printf("overflow detected: %d\n", sequencePoint(a,b));
  exit(0);
}