int myNumber;
String msg="De cate ori vrei sa clipeasca LEDul? ";
int numBlinks;
int j;
int bt=500;
int LEDPin=12;

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.println(msg);

while (Serial.available()==0){

}

numBlinks=Serial.parseInt();

for (j=1; j<=numBlinks; j=j+1)
{
digitalWrite(LEDPin, HIGH);
delay(bt);
digitalWrite(LEDPin, LOW);
delay(bt);
}

}