#include <Servo.h>
Servo motor;
const int bot1=4;
const int bot2=5;
const int bot3=6;


void setup() {
  motor.attach(3);
  pinMode(bot1, INPUT_PULLUP);
  pinMode(bot2, INPUT_PULLUP);
  pinMode(bot3, INPUT_PULLUP);
}

void loop() {
  if(digitalRead(bot1)==0){
    motor.write(0);
  }
   if(digitalRead(bot2)==0){
    motor.write(90);
  }
   if(digitalRead(bot3)==0){
    motor.write(180);
  }


}