#include <Servo.h>
int Servopin=9;
int ServoPos=90;
Servo myservo;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
myservo.attach(Servopin);
}

void loop() {
  // put your main code here, to run repeatedly:
myservo.write(ServoPos);
Serial.println("what is the angle of servo");
while(Serial.available()==0){

}
ServoPos=Serial.parseInt();

myservo.write(ServoPos);
}