#include <Servo.h>

Servo s1;
Servo s2;
Servo s3;
Servo s4;
void setup() {
  s1.attach(6);
  s2.attach(9);
  s3.attach(10);
  s4.attach(11);
  s1.write(0);
  s2.write(45);
  s3.write(90);
  s4.write(180);
    }

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

}