#define led 13 
#define flash_button 7
#define turn_off_button 8
int led_on = 0 ;
int led_off = 0 ;




void setup() {
  // put your setup code here, to run once:
  pinMode(led , OUTPUT);
  pinMode( flash_button ,INPUT);
  pinMode(turn_off_button , INPUT);
}

void loop() {
  led_off = digitalRead(turn_off_button);
  led_on = digitalRead(flash_button);
  if (led_on == HIGH){
    digitalWrite(led , HIGH);

  }
  else if (led_off == HIGH) {
      digitalWrite(led, LOW);
  }
  else {
    digitalWrite(led, HIGH);
    delay(500);
    digitalWrite(led, LOW);
    delay(500);
  }
  
}