int red = 10;
int blue = 9;
int button = 8;

int buttonState = 0;

void setup() {
  
 pinMode(red, OUTPUT);
 pinMode(blue, OUTPUT);
 pinMode(button, INPUT);
}

void loop() {
 
 buttonState = digitalRead(button);

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

 else if (buttonState == 0)

 {
  digitalWrite(red, LOW);
  digitalWrite(blue, LOW);
 }
}