//RIFKAL TRIAS SAPUTRA  (34) XI TEI 2
int Red1 = 0;
int yellow1 = 1;
int green1 = 2;
int Red2 = 3;
int yellow2 = 4;
int green2 = 5;
int Red3 = 6;
int yellow3 = 7;
int green3 = 8;
int Red4 = 9;
int yellow4 = 10;
int green4 = 11;



void setup() {
  // put your setup code here, to run once:
  pinMode(Red1, OUTPUT);
  pinMode(yellow1, OUTPUT);
  pinMode(green1, OUTPUT);
  pinMode (Red2, OUTPUT);
  pinMode (yellow2,OUTPUT);
  pinMode (green2,OUTPUT);
  pinMode (Red3,OUTPUT);
  pinMode (Red4,OUTPUT);
  pinMode(yellow3,OUTPUT);
  pinMode(green3,OUTPUT);
  pinMode (green4,OUTPUT);
  padam();
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(Red2, HIGH);
  digitalWrite(Red3, HIGH);
  digitalWrite(Red4, HIGH);
  digitalWrite(green1, HIGH); 
  delay(3000);
  padam();
  digitalWrite(Red2, HIGH);
  digitalWrite(Red3, HIGH); 
  digitalWrite(Red4, HIGH);
  digitalWrite(yellow1, HIGH); 
  digitalWrite(yellow2, HIGH);
  delay(2000);
  padam();
  digitalWrite(Red1, HIGH);
  digitalWrite(Red3, HIGH);
  digitalWrite(Red4, HIGH);
  digitalWrite(green2, HIGH); 
  delay(3000);
  padam();
  digitalWrite(Red1, HIGH);
  digitalWrite(yellow2, HIGH);
  digitalWrite(Red3, HIGH); 
  digitalWrite(Red4, HIGH);
  digitalWrite(yellow3, HIGH);
  delay(2000);
  padam();
  digitalWrite(Red1, HIGH); 
  digitalWrite(Red2, HIGH);
  digitalWrite(Red4, HIGH);
  digitalWrite(green3, HIGH);
  delay(3000);
  padam();
  digitalWrite(Red1, HIGH);
  digitalWrite(Red2, HIGH);
  digitalWrite(Red4, HIGH);
  digitalWrite(yellow3, HIGH);
  digitalWrite(yellow4, HIGH);
  delay(2000);
  padam();
  digitalWrite(Red1, HIGH);
  digitalWrite(Red2, HIGH); 
  digitalWrite(Red3, HIGH);
  digitalWrite(green4, HIGH);
  delay(3000);
  padam();
  digitalWrite(Red1, HIGH);
  digitalWrite(Red2, HIGH); 
  digitalWrite(Red3, HIGH);
  digitalWrite(yellow1, HIGH); 
  digitalWrite(yellow4, HIGH);
  delay(2000);
  padam();
}

void padam(){
  digitalWrite (Red1,LOW);
  digitalWrite (yellow1,LOW);
  digitalWrite (green1,LOW);
  digitalWrite(Red2, LOW);

  digitalWrite(yellow2, LOW);

  digitalWrite(green2, LOW);

  digitalWrite(Red3, LOW);

  digitalWrite(yellow3, LOW);

  digitalWrite(green3, LOW);
  digitalWrite (Red4,LOW);
  digitalWrite (yellow4,LOW);
  digitalWrite (green4,LOW);
}