void setup() {
  Serial.begin(115200);
  pinMode(27, INPUT);
  pinMode(14, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(2, OUTPUT);
}

void loop() {
  int pins[] = {14, 12, 13, 2};
  int val = digitalRead(27);
  if(val = HIGH){
    for(int i=0; i<=4; i++){
      digitalWrite(pins[i], HIGH);
    }
  }
}