void setup() {
  // put your setup code here, to run once:
  pinMode(33,OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
}

void loop() {
 digitalWrite(26, HIGH);
 delay(5000);
 digitalWrite(26, LOW);

  digitalWrite(25, HIGH);
 delay(5000);
 digitalWrite(25, LOW);

 digitalWrite(33, HIGH);
 delay(5000);
 digitalWrite(33, LOW);
}