int vehicle_red = 3;
int vehicle_yellow = 6;
int vehicle_green = 12;
int tao_red = 18;
int tao_green = 20;
int button = 17;
int cross = 1000;
unsigned long changeTime = 0;
int buttonState = 0;
void setup() 
{
  pinMode(vehicle_red, OUTPUT);
  pinMode(vehicle_yellow, OUTPUT);
  pinMode(vehicle_green, OUTPUT);
  pinMode(tao_red, OUTPUT);
  pinMode(tao_green, OUTPUT);
  pinMode(button, INPUT);
}
void loop() 
{
  buttonState = digitalRead(button);
  if (buttonState == 1 && (millis() - changeTime) > 2000)
  {
    changeLights();
  } 
  else 
  {
    digitalWrite(vehicle_green, HIGH);
    digitalWrite(tao_red, HIGH);
    digitalWrite(tao_green, LOW);
    digitalWrite(vehicle_red, LOW);
    delay(2000);
    digitalWrite(vehicle_green, LOW);

    digitalWrite(vehicle_yellow, HIGH);
    delay(2000);
    digitalWrite(vehicle_yellow, LOW);
    digitalWrite(tao_red, LOW);

    digitalWrite(tao_green, HIGH);
    digitalWrite(vehicle_red, HIGH);
    delay(2000);
    digitalWrite(tao_red, LOW);
    digitalWrite(tao_green, LOW);
    digitalWrite(vehicle_red, LOW);

  }
}
void changeLights()
{
   digitalWrite(vehicle_green, LOW);
  for (int x = 0; x < 13; x++)
  {
    digitalWrite(tao_red, HIGH);
    digitalWrite(vehicle_yellow, HIGH);
    digitalWrite(tao_green, LOW);
    delay(400);
    digitalWrite(tao_red, LOW);
    digitalWrite(vehicle_yellow, LOW);
    delay(400);
  }
  for (int y = 10; y < 100; y++)
  {
    digitalWrite(tao_green, HIGH);
    digitalWrite(vehicle_red, HIGH);
    delay(y);
    digitalWrite(tao_green, LOW);
    delay(y);
  }
  changeTime = millis();
}