// C++ code
//
int buttonState = 0;

void setup()
{
  Serial.begin(9600);
  pinMode(5, INPUT);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(7, OUTPUT);
}
int number = 0;
void loop()
{
  buttonState = HIGH;
  if (digitalRead(5) == HIGH) {
    while (!(digitalRead(5) == LOW)) {
      digitalWrite(2, HIGH);
      Serial.println("Uno");
      delay(2000); // Wait for 2000 millisecond(s)
      digitalWrite(2, LOW);
      digitalWrite(4, HIGH);
      Serial.println("Dos");
      delay(2000); // Wait for 2000 millisecond(s)
      digitalWrite(4, LOW);
      digitalWrite(7, HIGH);
      Serial.println("Tres");
      delay(2000); // Wait for 2000 millisecond(s)
      digitalWrite(7, LOW);
    }
  }
}