const int pinoLedVermelho = 13;
const int pinoLedAmarelo = 7;
const int pinoLedVerde = 9;


const int pinoLed[] = {pinoLedVermelho, pinoLedVerde, pinoLedAmarelo};

int tempo[] = {10, 8, 2};

void setup() {
  Serial.begin(9600);
  for (int i = 0; i < sizeof(pinoLed) / sizeof(int); i++) {
    pinMode(pinoLed[i], OUTPUT);
    digitalWrite(pinoLed[i], LOW);
  }
}

void loop() {
  if (Serial.available() > 0) {
    Serial.print("Tempo = {");
    for (int i=0; i < sizeof(tempo) / sizeof(int); i++) {
      String s = Serial.readStringUntil(' ');
      tempo[i] = s.toInt();
      Serial.print(tempo[i]);
      Serial.print(" ");
    }
    Serial.println("}");
  }
  for (int i = 0; i < sizeof(pinoLed) / sizeof(int); i++) {
    digitalWrite(pinoLed[i], HIGH);

    delay(tempo[i] * 1000);

    digitalWrite(pinoLed[i], LOW);
  }
}