const int lampuMerah = 11;
const int lampuKuning = 10;
const int lampuHijau = 9;


void setup() {
  pinMode(lampuMerah, OUTPUT);
  pinMode(lampuKuning, OUTPUT);
  pinMode(lampuHijau, OUTPUT);
  // put your setup code here, to run once:

}

void loop() {
  digitalWrite(lampuMerah, HIGH);
  delay(10000);
  digitalWrite(lampuMerah, LOW);
  digitalWrite(lampuKuning, HIGH);
  delay(3000);
  digitalWrite(lampuKuning, LOW);
  digitalWrite(lampuHijau, HIGH);
  delay(10000);
  digitalWrite(lampuHijau, LOW);
  digitalWrite(lampuKuning, HIGH);
  delay(2000);
  digitalWrite(lampuKuning, LOW);
  // put your main code here, to run repeatedly:

}