int main(int argc, char **argv) 
{
    Intersection isec;

    if(argc!=3) 
    {
        printf("needs: Q1phase Q2phase\n"); 
	exit(0); 
    }
    Q1phase=atoi(argv[1]);
    Q2phase=atoi(argv[2]);
    if(Q1phase < 30 || Q2phase < 30) 
    {
        printf("Minimum time for each queue to be closed is 30 seconds\n"); 
	exit(0);
    }
    isec.SetPhasing(0,Q1phase);
    isec.SetPhasing(1,Q2phase);
    isec.SetCarAdd(0,Q1arrive);
    isec.SetCarAdd(1,Q1arrive);
    while(isec.time()<=7200)
    {
        isec.Tick();
    }

    printf("Queue 1 length: %d\n",isec.QueueLength(0));
    printf("Queue 2 length: %d\n",isec.QueueLength(1));
    return 0;
}