void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
   pinMode(12, OUTPUT);
   pinMode(26, OUTPUT);
   pinMode(23, OUTPUT);
   pinMode(22, OUTPUT);
   pinMode(5, INPUT);
}

void loop() {
 int n=digitalRead(4);

  if(n==HIGH)
  {

   digitalWrite(12, HIGH);
   delay(100);
   digitalWrite(12, LOW);
   delay(100);

   digitalWrite(26, HIGH);
   delay(100);
   digitalWrite(26, LOW);
   delay(100);

   digitalWrite(22, HIGH);
   delay(100);
   digitalWrite(22, LOW);
   delay(100);
   
   digitalWrite(23, HIGH);
   delay(100); 
   digitalWrite(23, LOW);
   delay(100);

  }
  else
  {
     digitalWrite(12, LOW);
     digitalWrite(26, LOW);
     digitalWrite(23, LOW);
     digitalWrite(22, LOW);


  }
}