int redLEDPin=10;
int yellowLEDPin=11;
int redOnTime=250;
int redOffTime=250;
int yellowOnTime=250;
int yellowOffTime=250;
int redBlinkNumb=3;
int yellowBlinkNumb=3;
String redMessage="Red LED is Blinking";
String yellowMessage="Yellow LED is Blinking";
String newCycle="New Cycle starts";

void setup() {
  Serial.begin(9600);
  String wm1="Wellcome to ";
  String wm2="My led blink";
  String wm3;
  wm3=wm1+wm2;//this is called concatenation 
  Serial.println(wm3);
  pinMode(redLEDPin, OUTPUT);
  pinMode(yellowLEDPin, OUTPUT);
  digitalWrite(8, HIGH);
  // put yonur setup code here, to run
}

void loop() {
  Serial.println(redMessage);
for (int j=1;j<=redBlinkNumb;j=j+1) {
  Serial.print("   You are on Red blink#  ");
  Serial.println(j);
 digitalWrite(redLEDPin, HIGH);
 delay(redOnTime);
 digitalWrite(redLEDPin, LOW);
 delay(redOffTime);
}
Serial.println(" ");
Serial.println(yellowMessage);
for (int j=1;j<=yellowBlinkNumb;j=j+1) {
  Serial.print("  You are on Yellow blink# ");
  Serial.println(j);
  digitalWrite(yellowLEDPin, HIGH);
  delay(yellowOnTime);
  digitalWrite(yellowLEDPin, LOW);
  delay(yellowOffTime);
}
 Serial.println(" ");
 Serial.println(newCycle);

  // put your main code here, to run repeatedly:

}