void setup() {
  Serial.begin(9600);
 
  pinMode(4, INPUT_PULLUP);
  pinMode(10, OUTPUT);
  
  

}

void loop() {
  // put your main code here, to run repeatedly:
  
  if (digitalRead(4)==LOW){
  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10,LOW);
  delay(200);

  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10,LOW);
  delay(200);

  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10, LOW);
  delay(400);

  digitalWrite(10, HIGH);
  delay(500);
  digitalWrite(10, LOW);
  delay(500);

  digitalWrite(10, HIGH);
  delay(500);
  digitalWrite(10, LOW);
  delay(500);

  digitalWrite(10, HIGH);
  delay(500);
  digitalWrite(10, HIGH);
  delay(400);
  
 
  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10,LOW);
  delay(200);

  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10,LOW);
  delay(200);

  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10, LOW);
  delay(200);

  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10, LOW);
  delay(200);

  Serial.println("sos");

  
  

  
  
  }

  

}