const int buzzer = 3; 

void setup() {
  // put your setup code here, to run once:
  pinMode(2,INPUT_PULLUP);
  pinMode(3, OUTPUT);
  pinMode(buzzer, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(2) == 1){
    digitalWrite(3,1);
    tone(buzzer, 1000); 
    delay(1000);        
    noTone(buzzer);     
    delay(1000); 
  }
  delay(200);
}