int pink = 13;
int yello = 12;
int bull = 10;
int button = 11;
int buttonn = 9;
int buttonnn = 8;

int buttonState = 0;

void setup() {
  

  pinMode(pink, OUTPUT);
  pinMode(yello, OUTPUT);
  pinMode(bull, OUTPUT);
  pinMode(button, INPUT);
  pinMode(buttonn, INPUT);
  pinMode(buttonnn, INPUT);
}

void loop() {

  buttonState = digitalRead(button);

  if (buttonState == 1)
  {
    digitalWrite(bull, HIGH);
    digitalWrite(yello, LOW);
    digitalWrite(pink, LOW);
    
  }
  else if (buttonState == 0)
  {
    digitalWrite(bull, LOW);
    digitalWrite(yello, LOW);
    digitalWrite(pink, LOW);
  }
  buttonState = digitalRead(buttonnn);

  if (buttonState == 1)
  {
    digitalWrite(bull, LOW);
    digitalWrite(yello, HIGH);
    digitalWrite(pink, LOW);
    
  }
  else if (buttonState == 0)
  {
    digitalWrite(bull, LOW);
    digitalWrite(yello, LOW);
    digitalWrite(pink, LOW);
  }
  buttonState = digitalRead(buttonn);

  if (buttonState == 1)
  {
    digitalWrite(bull, LOW);
    digitalWrite(yello, LOW);
    digitalWrite(pink, HIGH);
    
  }
  else if (buttonState == 0)
  {
    digitalWrite(bull, LOW);
    digitalWrite(yello, LOW);
    digitalWrite(pink, LOW);
  }
}