// Lab1 4LED_blink
#define  LED 13 
#define  LED1 12
#define  LED2 10 
#define  LED3 8 
void setup()
 {
  // put your setup code here, to run once:
pinMode(LED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(LED, HIGH);
delay(1400);
digitalWrite(LED, LOW);
delay(1400);
digitalWrite(LED1, HIGH);
delay(1400);
digitalWrite(LED1, LOW);
delay(1400);
digitalWrite(LED2, HIGH);
delay(1400);
digitalWrite(LED2, LOW);
delay(1400);
digitalWrite(LED3, HIGH);
delay(1400);
digitalWrite(LED3, LOW);
delay(1400);


}