#include <Servo.h>

#define servo 13

Servo myservo;

void setup() {
  myservo.attach(13);
  myservo.write(45);
  delay(2000);
  myservo.write(90);
  delay(2000);
  myservo.write(135);

}

void loop() {
  // put your main code here, to run repeatedly:

}