int gLED = 2;
int rLED = 3;
int bLED = 4;
int yLED = 5;
int gOnTime = 500;
int gOffTime = 500;
int rOnTime = 500;
int rOffTime = 500;
int bOnTime = 500;
int bOffTime = 500;
int yOnTime = 500;
int yOffTime = 500;

int numGreenBlinks = 0;
int numRedBlinks = 0;
int numBlueBlinks = 0;
int numYellowBlinks = 0;

String gMessage = "Green LED Blinking";
String rMessage = "Red LED Blinking";
String bMessage = "Blue LED Blinking";
String yMessage = "Yellow LED Blinking";

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(gLED, OUTPUT);
pinMode(rLED, OUTPUT);
pinMode(bLED, OUTPUT);
pinMode(yLED, OUTPUT);


Serial.println("Welcome to R P W 1");
}

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

Serial.println();
Serial.println("Enter the number of times to blink ");
while(Serial.available()==0){}

numGreenBlinks = Serial.parseInt();
Serial.println(gMessage);

for(int i = 0; i<numGreenBlinks; i++){
  Serial.println();
  Serial.println("GREEN LED blinking for ");
  Serial.println(i);
  digitalWrite(gLED, HIGH);
  delay(gOnTime);
  digitalWrite(gLED, LOW);
  delay(gOffTime);
}
if(Serial.available()>0){
  Serial.read();
}


Serial.println();
Serial.println("Enter the number of times to blink ");
while(Serial.available()==0){}

numRedBlinks = Serial.parseInt();
Serial.println(rMessage);

for(int i = 0; i<numRedBlinks; i++){
  Serial.println();
  Serial.println("RED LED blinking for ");
  Serial.println(i);
  digitalWrite(rLED, HIGH);
  delay(rOnTime);
  digitalWrite(rLED, LOW);
  delay(rOffTime);
}
if(Serial.available()>0){
  Serial.read();
}

Serial.println();
Serial.println("Enter the number of times to blink ");
while(Serial.available()==0){}

numBlueBlinks = Serial.parseInt();
Serial.println(bMessage);

for(int i = 0; i<numBlueBlinks; i++){
  Serial.println();
  Serial.println("BLUE LED blinking for ");
  Serial.println(i);
  digitalWrite(bLED, HIGH);
  delay(bOnTime);
  digitalWrite(bLED, LOW);
  delay(bOffTime);
}

if(Serial.available()>0){
  Serial.read();
}

Serial.println();
Serial.println("Enter the number of times to blink ");
while(Serial.available()==0){}

numYellowBlinks = Serial.parseInt();
Serial.println(yMessage);

for(int i = 0; i<numYellowBlinks; i++){
  Serial.println();
  Serial.println("YELLOW LED blinking for ");
  Serial.println(i);
  digitalWrite(yLED, HIGH);
  delay(yOnTime);
  digitalWrite(yLED, LOW);
  delay(yOffTime);
}
if(Serial.available()>0){
  Serial.read();
}

}