#define BLUE_LED 13 
#define RED_LED 12 
void setup(){  	
   pinMode(BLUE_LED, OUTPUT); 	 	
   pinMode(RED_LED, OUTPUT);
} 
void loop(){ 
  digitalWrite(BLUE_LED, HIGH);  	
  digitalWrite(RED_LED, LOW); 	 	
  delay(9600);   	 	 	 	 	
  digitalWrite(RED_LED, HIGH); 	
  digitalWrite(BLUE_LED, LOW);  	
  delay(9600);   	 	 
}