// This file is generated by FBC.


#include <string.h>
#include <stdio.h>

/* Function block initialization function */
int main()
{
	//INIT
    int state = 0;        
    int LightsStatus = 3;    
	// MAKING ORIGIN ONE THING
    int Origin = 150;
    
    int RoadLength = 40;
    int MinHeadWay = 5;    
    int SPEED_LIMIT = 2;
	//INIT - VTL
	int VTLSpan = 30;
	//INITCAR
	int ns = Origin+RoadLength;
	int sn = Origin-RoadLength;
	int ew = Origin+RoadLength;
	int we = Origin-RoadLength;

	


	//INITIALIZE VTL

    //RUN
	for(;;) 
	{
		//RUN CARS
		if(!(ns < Origin)||!(sn>Origin))
		{
			if ((LightsStatus==1) || (LightsStatus==3)) {
				//NS
				ns = ns - SPEED_LIMIT;
				//SN
				sn = sn + SPEED_LIMIT;			
			}
		}
		if(!(ew < Origin)||!(we>Origin))
		{
			if ((LightsStatus==2) || (LightsStatus==3)) {
				//EW
				ew = ew - SPEED_LIMIT;

				//WE
				we = we + SPEED_LIMIT;			
			}
		}
		//RUN VTL
		if(
		((ns>Origin)&&(ns<(Origin+VTLSpan)))
		||
		((sn<Origin)&&(sn>(Origin-VTLSpan)))		
		)
		{
			 if(
			 ((ew>Origin)&&(ew<(Origin+VTLSpan)))			 
			 ||
			 ((we<Origin)&&(we>(Origin-VTLSpan)))			 
			 ){
				  LightsStatus = 1;
				  continue;
			 }
		}

		LightsStatus = 3;
		//Check for collision of heads
		if(
		((ns==Origin))&&
		((ew==Origin)))
		{
			ERROR:goto ERROR;
		}
	}
}