#include <Servo.h>
Servo myservo;
void setup() {
  myservo.attach(9);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  // put your setup code here, to run once:

}

void loop() {
  myservo.write(0);
  digitalWrite(3, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  delay(1000);

  myservo.write(90);
  digitalWrite(4, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(3, LOW);
  delay(1000);


  myservo.write(180);
  digitalWrite(5, HIGH);
  digitalWrite(3,LOW);
  digitalWrite(4, LOW);
  delay(1000);
}