void setup() {
  // put your setup code here, to run once:
  for(int i = 3; i<=5; i++){
    pinMode(i, OUTPUT);
  }
}

void lampu(int i){
  if(i == 3){
    for (int j = 0; j < 3; j++) {
      digitalWrite(3, HIGH);
      delay(250);
      digitalWrite(3, LOW);
      delay(250);
    }
  }

  else if(i == 4){
    digitalWrite(4, 1);
    delay(1000);
    digitalWrite(4, 0);
    delay(250);
  }

  else if(i == 5){
    for(int i = 0; i < 5; i++){
      digitalWrite(5, HIGH);
      delay(250);
      digitalWrite(5, LOW);
      delay(250);
    }
  }
  else if(i == 1){
    for(int i = 0; i < 3; i++){
      digitalWrite(3, 1);
      delay(100);
      digitalWrite(3, 0);
      digitalWrite(4, 1);
      delay(100);
      digitalWrite(4, 0);
      delay(100);
      digitalWrite(5, 1);
      delay(100);
      digitalWrite(5, 0);
      delay(100);
    }
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  lampu(3);
  // delay(1000);
  lampu(5);
  // delay(1000);
  lampu(4);
  lampu(3);
  // delay(1000);
  lampu(5);
  // delay(1000);
  lampu(4);
  // delay(1000);
  lampu(1);
}