int LEDred1 = 1;
int LEDyellow1 = 2;
int LEDgreen1 = 3;
int LEDred2 = 4;
int LEDyellow2 = 5;
int LEDgreen2 = 6;
int LEDred3 = 7;
int LEDyellow3 = 8;
int LEDgreen3 = 9;

void setup() {
pinMode(LEDred1, OUTPUT);
pinMode(LEDyellow1, OUTPUT);
pinMode(LEDgreen1, OUTPUT);
pinMode(LEDred2, OUTPUT);
pinMode(LEDyellow2, OUTPUT);
pinMode(LEDgreen2, OUTPUT);
pinMode(LEDred3, OUTPUT);
pinMode(LEDyellow3, OUTPUT);
pinMode(LEDgreen3, OUTPUT);
Serial.begin(9600);

Serial.print("Mari");
delay(100);
Serial.print(" kita");
delay(100);
Serial.print(" melihat");
delay(100);
Serial.print(" traffict");
delay(100);
Serial.print(" light");
delay(100);
Serial.print(" yang");
delay(100);
Serial.print(" telah");
delay(100);
Serial.print(" saya");
delay(100);
Serial.println(" buat.");
delay(1000);
  Serial.print("Langsung");
  delay(100);
  Serial.print(" saja");
  delay(100);
  Serial.print(" mari");
  delay(100);
  Serial.print(" kita");
  delay(100);
  Serial.println(" lihat!!!");
}

void loop(){
  
  delay(500);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("1 ");
  delay(100);
  Serial.println("hijau");
  delay(400);

  digitalWrite(LEDred2, HIGH);
  digitalWrite(LEDgreen1, HIGH);
  digitalWrite(LEDred3, HIGH);
  digitalWrite(LEDyellow1, LOW);
  digitalWrite(LEDyellow3, LOW);
  digitalWrite(LEDred1, LOW);
  digitalWrite(LEDgreen3, LOW);
  delay(4000);

  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("2 ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.println("hijau");
  delay(200);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("1 ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.println("merah");
  delay(400);


  digitalWrite(LEDyellow2, HIGH);
  digitalWrite(LEDyellow1, HIGH);
  digitalWrite(LEDred2, LOW);
  digitalWrite(LEDred3, HIGH);
  digitalWrite(LEDred1, LOW);
  digitalWrite(LEDgreen1, LOW);
  delay(1500);

  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("2 ");
  delay(100);
  Serial.println("hijau ");
  delay(100);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("1 ");
  delay(100);
  Serial.println("merah");
  delay(400);

  digitalWrite(LEDgreen2, HIGH);
  digitalWrite(LEDred3, HIGH);
  digitalWrite(LEDred2, LOW);
  digitalWrite(LEDred1, HIGH);
  digitalWrite(LEDyellow2, LOW);
  digitalWrite(LEDyellow1, LOW);
  delay(4000);

  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("3 ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.println("hijau");
  delay(200);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("2 ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.println("merah");
  delay(400);

  digitalWrite(LEDyellow2, HIGH);
  digitalWrite(LEDyellow3, HIGH);
  digitalWrite(LEDred3, LOW);
  digitalWrite(LEDred2, LOW);
  digitalWrite(LEDred1, HIGH);
  digitalWrite(LEDgreen1, LOW);
  digitalWrite(LEDgreen2, LOW);
  delay(1500);

  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("3 ");
  delay(100);
  Serial.println("hijau");
  delay(100);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("2 ");
  delay(100);
  Serial.println("merah");
  delay(400);

  digitalWrite(LEDyellow2, LOW);
  digitalWrite(LEDred3, LOW);
  digitalWrite(LEDred2, HIGH);
  digitalWrite(LEDred1, HIGH);
  digitalWrite(LEDyellow3, LOW);
  digitalWrite(LEDgreen3, HIGH);
  delay(1500);

  digitalWrite(LEDyellow3, LOW);
  digitalWrite(LEDred3, LOW);
  digitalWrite(LEDred2, HIGH);
  digitalWrite(LEDred1, HIGH);
  digitalWrite(LEDgreen3, HIGH);
  digitalWrite(LEDyellow3, LOW);
  delay(4000);

  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("1 ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.println("hijau");
  delay(200);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("3 ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.print("siap ");
  delay(100);
  Serial.println("merah");
  delay(400);

  digitalWrite(LEDred1, LOW);
  digitalWrite(LEDred2, HIGH);
  digitalWrite(LEDyellow1, HIGH);
  digitalWrite(LEDyellow3, HIGH);
  digitalWrite(LEDgreen3, LOW);
  delay(1500);

  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("1 ");
  delay(100);
  Serial.println("hijau");
  delay(100);
  Serial.print("Traffic ");
  delay(100);
  Serial.print("light ");
  delay(100);
  Serial.print("3 ");
  delay(100);
  Serial.println("merah");
  delay(400);
}