const int ledmerah = 16;
const int ledkuning = 17;
const int ledhijau = 18;

void setup()
{
  pinMode(ledmerah,OUTPUT);
  pinMode(ledkuning,OUTPUT);
  pinMode(ledhijau,OUTPUT);
}

void loop()
{
  digitalWrite(ledhijau,HIGH);
  delay(5000);
  digitalWrite(ledhijau,LOW);
  digitalWrite(ledkuning,HIGH);
  delay(2000);
  digitalWrite(ledkuning,LOW);
  digitalWrite(ledmerah,HIGH);
  delay(3000);
  digitalWrite(ledmerah,LOW);
  
}