String m1= "Total number of blinks you want";
int j;
int redpin= 10;
int blinktime;
int time=100;
String m2= "Number of blink u wanted is ";
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(redpin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
Serial.println(m1);
while(Serial.available()==0){

}
blinktime= Serial.parseInt();
Serial.read();

Serial.print(m2);
Serial.println(blinktime);

for(int j=0; j<=blinktime; j++){
digitalWrite(redpin, HIGH);
delay(time);
digitalWrite(redpin, LOW);
delay(time);
}

Serial.println();
}