public static void updateExitLocationTimes(int ext){
    	switch (ext){
    	case 1:
    		exit1++;
    		break;
    	case 2:
    		exit2++;
    		break;
    	case 3:
    		exit3++;
    		break;
    	case 6:	
    		exit6++;
    		break;
    	case 9:
    		exit9++;
    		break;
    	}
    }