void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("Hello Arduardo!");
}

void loop() {
  // put your main code here, to run repeatedly:
  Serial.println("Hi! Human being");
  delay(4000);
  Serial.println("Hello Arduardo!");
  delay(3000);
  Serial.println("Hi! Human being");
  delay(4000);
}