int valorbotao = 0;
int valorbo2 = 0;
int estado = 0;
int estado2 = 0;

void setup() {
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, INPUT);
  pinMode(11, INPUT);

}

void loop() {
  valorbotao = digitalRead(11);
  valorbo2 = digitalRead(10);

  if (valorbotao == 1) {
    while (true) {
      digitalWrite(8, HIGH);
      digitalWrite(9, HIGH);
      delay(300);
      digitalWrite(8, LOW);
      digitalWrite(9, LOW);
      delay(300);
    }
  } else if (valorbo2 == 1) {
    while (true) {
      digitalWrite(8, HIGH);
      digitalWrite(9, LOW);
      delay(300);
      digitalWrite(8, LOW);
      digitalWrite(9, HIGH);
      delay(300);
    }
  }

}