#define  merah1 2
#define  kuning1 1
#define  hijau1 0
#define  merah2 3
#define  kuning2 4
#define  hijau2 5
#define  merah3 6
#define  kuning3 7
#define  hijau3 8
void setup() {
  pinMode(merah1, OUTPUT);
  pinMode(kuning1, OUTPUT);
  pinMode(hijau1, OUTPUT);
  pinMode(merah2, OUTPUT);
  pinMode(kuning2, OUTPUT);
  pinMode(hijau2, OUTPUT);
  pinMode(merah3, OUTPUT);
  pinMode(kuning3, OUTPUT);
  pinMode(hijau3, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
 digitalWrite (hijau1,HIGH);
digitalWrite (merah2, HIGH);
digitalWrite (merah3,HIGH);
delay (5000);
digitalWrite(hijau1,LOW);
digitalWrite(kuning1,HIGH);
delay(2000);
digitalWrite(kuning1,LOW);
digitalWrite(merah1,HIGH);
delay(5000);
digitalWrite(merah2,LOW);

digitalWrite (kuning2,HIGH);
digitalWrite (hijau2,LOW);
delay(1000);
digitalWrite (kuning2,LOW);
digitalWrite (hijau2,HIGH);
delay(5000);

digitalWrite(hijau2,LOW);
delay(1000);
digitalWrite(kuning2,HIGH);
delay(1000);
digitalWrite(kuning2,LOW);
delay(1000);
digitalWrite(merah2,HIGH);
delay(5000);

digitalWrite(merah3,LOW);
digitalWrite(kuning3,HIGH);
delay(1000);
digitalWrite(kuning3,LOW);
digitalWrite(hijau3,HIGH);
delay(5000);
digitalWrite(hijau3,LOW);
delay(1000);
digitalWrite(kuning3,HIGH);
delay(1000);
digitalWrite(kuning3,LOW);
delay(1000);
digitalWrite(merah3,HIGH);
delay(5000);
digitalWrite(merah1,LOW);
digitalWrite(kuning1,HIGH);
delay(2000);
digitalWrite(kuning1,LOW);
digitalWrite(hijau1,HIGH);
delay(5000);
}