void setup() {
  pinMode(0,INPUT);  
  pinMode(5,OUTPUT); 
  pinMode(7,OUTPUT);  
}
void loop() {
  digitalRead(0);
  delay(15000);
  if (digitalRead(0)==LOW)
  digitalWrite(5,LOW);
  else{
  digitalWrite(5,HIGH);
  delay(5000);
  digitalWrite(7,HIGH);
  delay(5000)
  digitalWrite(5,LOW);
 
    
    
  }
  }