#define LED_RED 13
#define LED_YELLOW 12 
#define LED_GREEN 11
#define pinButton 8


void setup() {
  // put your setup code here, to run once:
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_YELLOW, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  pinMode(pinButton, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  int estado = digitalRead(pinButton);
  if(estado == LOW) {
    digitalWrite(LED_RED, HIGH);
    delay(1000);
    digitalWrite(LED_YELLOW, HIGH);
    delay(1000);
    digitalWrite(LED_GREEN, HIGH);
    delay(1000);
  } else {
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_YELLOW, LOW);
    digitalWrite(LED_GREEN, LOW);
    
    
  }
  delay(50);

}