#define LED 13
#define BUTTON 8
#define BUZZER 4

void setup(){
  pinMode(LED, OUTPUT);
  pinMode(BUTTON, INPUT);
  pinMode(BUZZER, OUTPUT);
}

void loop(){

  if(digitalRead(BUTTON) == HIGH){ 
    digitalWrite(LED, HIGH);
    digitalWrite(BUZZER, LOW);
    delay(1000);
    digitalWrite(LED, LOW);
    digitalWrite(BUZZER, HIGH);
    delay(1000);
  } 
}