const int BUTTON = 4;
const int BUTTON2 = 7;
const int BUTTON3 = 8;
const int LED = 2;
int BUTTONstate = 0;
void setup() {
  // put your setup code here, to run once:
pinMode(BUTTON, INPUT);
  pinMode(LED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 BUTTONstate = digitalRead(BUTTON);
  if (BUTTONstate == HIGH)
  {
    digitalWrite(LED, HIGH);
  } 
  else{
    digitalWrite(LED, LOW);
  }

   BUTTONstate = digitalRead(BUTTON2);
  if (BUTTONstate == HIGH)
  {
    digitalWrite(LED, HIGH);
  } 
  else{
    digitalWrite(LED, LOW);
}

   BUTTONstate = digitalRead(BUTTON3);
  if (BUTTONstate == HIGH)
  {
    digitalWrite(LED, HIGH);
  } 
  else{
    digitalWrite(LED, LOW);
}
}