void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(12, INPUT);
  pinMode(14, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(5, OUTPUT);
}

void loop() {
  int switchcase=digitalRead(12);
  Serial.println(switchcase);
  if (switchcase == 1)
  {
  digitalWrite(14, HIGH);
  digitalWrite(5, LOW);
  digitalWrite(19, HIGH);
  delay(2000);
  digitalWrite(14,LOW);
  digitalWrite(19, LOW);

  digitalWrite(27, HIGH);
  digitalWrite(18, HIGH);
  delay(2000);
  digitalWrite(27, LOW);
  digitalWrite(18, LOW);

  digitalWrite(26, HIGH);
  digitalWrite(5, HIGH);
  delay(2000);
  digitalWrite(26, LOW);
  digitalWrite(5, LOW);

  digitalWrite(27, HIGH);
  digitalWrite(18, HIGH);
  delay(2000);
  digitalWrite(27, LOW);
  digitalWrite(18, LOW);
}
}