int ledPin=2;
int blinkCount;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
   
  Serial.print("How many Blink do you want? : ");
  while(Serial.available()==0){

  }
  blinkCount = Serial.parseInt();// its for read int
  //a=Serial.readString(); its for read string
  Serial.println(blinkCount);
  for(int i=1; i<=blinkCount; i++){
    digitalWrite(ledPin, HIGH);
    delay(500);
    digitalWrite(ledPin, LOW);
    delay(500);
  }


   
}