int red = 13, blue = 12, dly = 300, i = 0, rn = 0, bn = 0;
String red_message = "Red  LED is blinking : ",
       blue_message = "Blue LED is blinking : ",
       welcome = "welcome ",
       project = "to my project";
int k = 0;

void setup() {

  Serial.begin(9600);

  Serial.println(welcome + project);
  // put your setup code here, to run once:
  pinMode(red, OUTPUT);
  pinMode(blue, OUTPUT);

  digitalWrite(blue, LOW);
  digitalWrite(red, LOW);

}

void loop() {
  // put your main code here, to run repeatedly:

  Serial.println("Enter how many times Red LED should blink : ");

  rn = 0;
  while (rn == 0) {
    rn = Serial.parseInt();
  }


  Serial.println("Enter how many times Blue LED should blink : ");

  bn = 0;
  while (bn == 0) {
    bn = Serial.parseInt();
  }

  Serial.print(red_message);
  i = 1;
  while ( i <= rn) {
    
    Serial.print(i);
    Serial.print(" ");
    i++;
    delay(dly);
    digitalWrite(red, HIGH);
    delay(dly);
    digitalWrite(red, LOW);

  }
  Serial.print("\n");
  Serial.print(blue_message);
  i = 1;
  while ( i <= bn) {

    Serial.print(i);
    Serial.print(" ");
    i++;
    delay(dly);
    digitalWrite(blue, HIGH);
    delay(dly);
    digitalWrite(blue, LOW);

  }
  Serial.print("\n");
}