int red = 13;
int green = 12;
int buttom = 11;

int buttonState = 0;

void setup() {
   pinMode(red, OUTPUT);
   pinMode(green, OUTPUT);
   pinMode(buttom, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:

  buttonState = digitalRead(buttom);

  if (buttonState == 1)
  {
    digitalWrite(red, HIGH);
    digitalWrite(green, HIGH);
  }

  else if (buttonState == 0)
  {
    digitalWrite(red, LOW);
    digitalWrite(green, LOW);
  
  }

}