void setup() {
  pinMode(23, INPUT);
  pinMode(27, OUTPUT);
  pinMode(22, INPUT);
  pinMode(32, OUTPUT);
  pinMode(21, INPUT);
  pinMode(12, OUTPUT);
}

void loop() {
  if (digitalRead(23) == LOW) {
    digitalWrite(27, HIGH);
    digitalWrite(32, HIGH);
    digitalWrite(12, HIGH);


  } 
  else {
    digitalWrite(27, LOW);
    digitalWrite(32, LOW);
    digitalWrite(12, LOW);
  }

  
  if (digitalRead(22) == LOW) {
    digitalWrite(12, HIGH);
    delay(1000);
    digitalWrite(12, LOW);
    digitalWrite(27, HIGH);
    delay(1000);
    digitalWrite(27, LOW);
    digitalWrite(32, HIGH);
    delay(1000);
    digitalWrite(32, LOW);


  } 
  else {
    digitalWrite(27, LOW);
    digitalWrite(32, LOW);
    digitalWrite(12, LOW);
  }

  if (digitalRead(21) == LOW) {
    digitalWrite(32, HIGH);
    delay(1000);
    digitalWrite(32, LOW);
    digitalWrite(27, HIGH);
    delay(1000);
    digitalWrite(27, LOW);
    digitalWrite(12, HIGH);
    delay(1000);
    digitalWrite(12, LOW);


  } 
  else {
    digitalWrite(27, LOW);
    digitalWrite(32, LOW);
    digitalWrite(12, LOW);
  }
}