int LED = 0;
int SW = 3;
int var;
 
void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);
  pinMode(SW, OUTPUT);
 }
 
void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(SW,LOW);
  digitalWrite(LED, LOW);
  
  //30 seconds
  var = 0;
  while(var < 30){
     delay(850);
     digitalWrite(LED, HIGH);
     delay(150);
     digitalWrite(LED, LOW);
     var++;
  }
  
  digitalWrite(SW,HIGH);
  //24 hour minus 30 second
  var = 0;
  while(var < 8637){
    delay(9500);
    digitalWrite(LED, HIGH);
    delay(500);
    digitalWrite(LED, LOW);
    var++;
  }
}