void setup()
{
   
   pinMode(2, OUTPUT);
   pinMode(4, OUTPUT);
   pinMode(5, OUTPUT);
   
}
void loop()
{
  
   digitalWrite(2, HIGH);
   delay(10000); 
   digitalWrite(2, LOW);

   
   digitalWrite(4, HIGH);
   delay(1500);
   digitalWrite(4, LOW);

   digitalWrite(5, HIGH);
   delay(15000);
   digitalWrite(5, LOW);
}