int switch1 = 5;
int switch2 = 18;
int switch3 = 19;
int switch4 = 21;

void setup()
{
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(32, OUTPUT);
  pinMode(33, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(14, OUTPUT);
}

//If the LEDs suddenly turn off after turning On the Switch, 
//please double click the Switch / Spam it or press the Restart Button. Thanks!!. 
//(Naa ata Bug Ma'am, ok siya usahay taud2 ma inana nasad ang uban switch randomly)

void loop()
{
  if (digitalRead(5) == HIGH) {
    digitalWrite(33, LOW);
    delay(1000);
    digitalWrite(33, HIGH);
    delay(500);
    digitalWrite(33, LOW);
  if (digitalRead(5) == LOW) return;
    digitalWrite(32, HIGH);
    delay(500);
    digitalWrite(32, LOW);
  if (digitalRead(switch1) == LOW) return;
    digitalWrite(13, HIGH);
    delay(500);
    digitalWrite(13, LOW);
  if (digitalRead(switch1) == LOW) return;
    digitalWrite(12, HIGH);
    delay(500);
    digitalWrite(12, LOW);
  if (digitalRead(switch1) == LOW) return;
    digitalWrite(25, HIGH);
    delay(500);
    digitalWrite(25, LOW);
  if (digitalRead(switch1) == LOW) return;
    digitalWrite(26, HIGH);
    delay(500);
    digitalWrite(26, LOW);
  if (digitalRead(switch1) == LOW) return;
    digitalWrite(27, HIGH);
    delay(500);
    digitalWrite(27, LOW);
  if (digitalRead(switch1) == LOW) return;
    digitalWrite(14, HIGH);
    delay(500);
    digitalWrite(14, LOW);   
  }
  else {
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
    digitalWrite(14, LOW);
  }

  if (digitalRead(18) == HIGH) {
    digitalWrite(12, LOW);
    delay(1000);
  if (digitalRead(18) == LOW) return;
    digitalWrite(12, HIGH);
    digitalWrite(14, HIGH);
    delay(500);
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
  if (digitalRead(switch2) == LOW) return;
    digitalWrite(32, HIGH);
    digitalWrite(26, HIGH);
    delay(500);
    digitalWrite(32, LOW);
    digitalWrite(26, LOW);
  if (digitalRead(switch2) == LOW) return;
    digitalWrite(33, HIGH);
    digitalWrite(25, HIGH);
    delay(500);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
  if (digitalRead(switch2) == LOW) return;
    digitalWrite(32, HIGH);
    digitalWrite(26, HIGH);
    delay(500);
    digitalWrite(32, LOW);
    digitalWrite(26, LOW);
  if (digitalRead(switch2) == LOW) return;
    digitalWrite(13, HIGH);
    digitalWrite(27, HIGH);
    delay(500);
    digitalWrite(13, LOW);
    digitalWrite(27, LOW);
  if (digitalRead(switch2) == LOW) return;
    digitalWrite(12, HIGH);
    digitalWrite(14, HIGH);
    delay(500);
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
  }
  else {
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
    digitalWrite(14, LOW);
  }

  if (digitalRead(19) == HIGH) {
    digitalWrite(12, LOW);
    delay(1000);
    digitalWrite(12, HIGH);
    delay(500);
    digitalWrite(12, LOW);
  if (digitalRead(19) == LOW) return;
    digitalWrite(13, HIGH);
    delay(500);
    digitalWrite(13, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(32, HIGH);
    delay(500);
    digitalWrite(32, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(33, HIGH);
    delay(500);
    digitalWrite(33, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(25, HIGH);
    delay(500);
    digitalWrite(25, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(26, HIGH);
    delay(500);
    digitalWrite(26, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(27, HIGH);
    delay(500);
    digitalWrite(27, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(14, HIGH);
    delay(500);
    digitalWrite(14, LOW);
    delay(500);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(14, HIGH);
    delay(500);
    digitalWrite(14, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(27, HIGH);
    delay(500);
    digitalWrite(27, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(26, HIGH);
    delay(500);
    digitalWrite(26, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(25, HIGH);
    delay(500);
    digitalWrite(25, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(33, HIGH);
    delay(500);
    digitalWrite(33, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(32, HIGH);
    delay(500);
    digitalWrite(32, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(13, HIGH);
    delay(500);
    digitalWrite(13, LOW);
  if (digitalRead(switch3) == LOW) return;
    digitalWrite(12, HIGH);
    delay(500);
    digitalWrite(12, LOW);
  }
  else {
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
    digitalWrite(14, LOW);
  }

  if (digitalRead(21) == HIGH) {
    digitalWrite(12, LOW);
    delay(1000);
    digitalWrite(12, HIGH);
    digitalWrite(32, HIGH);
    digitalWrite(25, HIGH);
    digitalWrite(27, HIGH);
    delay(500);
    digitalWrite(12, LOW);
    digitalWrite(32, LOW);
    digitalWrite(25, LOW);
    digitalWrite(27, LOW);
  if (digitalRead(21) == LOW) return;
    delay(500);
    digitalWrite(13, HIGH);
    digitalWrite(33, HIGH);
    digitalWrite(26, HIGH);
    digitalWrite(14, HIGH);
    delay(500);
    digitalWrite(13, LOW);
    digitalWrite(33, LOW);
    digitalWrite(26, LOW);
    digitalWrite(14, LOW);
  }
  else {
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
    digitalWrite(14, LOW);
  }
}