bool led = false;
bool presskey = false;

void setup() {
pinMode(13, OUTPUT);
pinMode(3, INPUT_PULLUP);
}


void loop() {
  // put your main code here, to run repeatedly:
 bool key = digitalRead(3);
 if(key && !presskey){
  presskey = true;
  delay(50);
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(500);
  return;
  }
 

  if(!key && presskey){
    presskey = false;
    delay(50);
    led = !led;
  }

  
}