int led1=14;
  int led2=27;

  void setup()
  {
    pinMode(led1, OUTPUT);
    pinMode(led2, OUTPUT);
    Serial.begin(115200);

}

void loop() {
   digitalWrite(led1, HIGH);
   digitalWrite(led2, LOW);
   Serial.println("LED1 IS ON,LED2 IS OFF");
   delay(1000);
   digitalWrite(led1, LOW);
   digitalWrite(led2, HIGH);
   Serial.println("LED1 IS OFF,LED2 IS ON");
  delay(1000);
}