// Created by Ivan Sanchez
// Modified by Megumi Iwata on 19.03.2018

const int LEDPIN = 8;
const int BUTTONPIN = 3;

void setup() {
  pinMode(LEDPIN, OUTPUT);
  pinMode(BUTTONPIN, INPUT);
}

void loop() {
  //Check if button is pressed (its value is 0 because the button has a PULL-UP resistor)
  int button = digitalRead(BUTTONPIN);
  if (button == LOW){
    digitalWrite(LEDPIN, HIGH);
    delay(100);
    digitalWrite(LEDPIN, LOW);
    delay(100);
    digitalWrite(LEDPIN, HIGH);
    delay(100);
    digitalWrite(LEDPIN, LOW);
    delay(100);
    digitalWrite(LEDPIN, HIGH);
    delay(100);
  }
  else {
    digitalWrite(LEDPIN, LOW);
  }

}