int leds[] = {4,13,18}
int tiempos[] = {5000,2000,3000}


void setup() 
{
  for (int i=0; i<3; i++){
    pinMode(leds[]);#########
  }
  pinMode(4, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(18, OUTPUT);

  Serial.begin(115200);
  Serial.println("hELLO, esp32");
}

void loop() {
      digitalWrite(4, HIGH);
      digitalWrite(13, LOW);
      digitalWrite(18, LOW);
      delay(5000);

      digitalWrite(4, LOW);
      digitalWrite(13, HIGH);
      digitalWrite(18, LOW);
      delay(2000);

      digitalWrite(4, LOW);
      digitalWrite(13, LOW);
      digitalWrite(18, HIGH);
      delay(3000);    

}