void setup() {
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(32, OUTPUT);
  pinMode(33, OUTPUT);
  Serial.begin(115200);
}

void loop() {
 digitalWrite(13, HIGH);
 digitalWrite(14, LOW);
 digitalWrite(32, LOW);
 digitalWrite(33, LOW);
 Serial.println("blue on");
 delay(1000);
 digitalWrite(13, LOW);
 digitalWrite(14, HIGH);
 digitalWrite(32, LOW);
 digitalWrite(33, LOW);
 Serial.println("green on");
 delay(1000);
 digitalWrite(13, LOW);
 digitalWrite(14, LOW);
 digitalWrite(32, HIGH);
 digitalWrite(33, LOW);
 Serial.println("pink on");
 delay(1000);
 digitalWrite(13, LOW);
 digitalWrite(14, LOW);
 digitalWrite(32, LOW);
 digitalWrite(33, HIGH);
 Serial.println("sky_blue on");
 delay(1000);
}