int BlueLEDPin=2;  
  int GreenLEDPin=4; 
  int YellowLEDPin=6;
  int RedLEDPin=8;
     
  int BlueOnTime=500;
  int GreenOnTime=500;
  int YellowOnTime=500;
  int RedOnTime=500;
  
  int numBBlink=4;
  int numGBlink=3;
  int numYBlink=2;
  int numRBlink=1;
  
void setup() {
  Serial.begin(9600);
  pinMode(BlueLEDPin, OUTPUT);
  pinMode(GreenLEDPin, OUTPUT);
  pinMode(YellowLEDPin, OUTPUT);
  pinMode(RedLEDPin, OUTPUT);
}
void loop() {
  Serial.print("red ");
  Serial.println("blink number:");
for (int j=1; j<=numRBlink; j=j+1 ) {
  Serial.println(j);
  digitalWrite(RedLEDPin, HIGH);
  delay(RedOnTime);
  digitalWrite(RedLEDPin, LOW);
  delay(RedOnTime);
}
  Serial.print("yellow ");
  Serial.println("blink number:");
for (int c=1; c<=numYBlink; c=c+1 ) {
  Serial.println(c);
  digitalWrite(YellowLEDPin, HIGH);
  delay(YellowOnTime);
  digitalWrite(YellowLEDPin, LOW);
  delay(YellowOnTime);
}
  Serial.print("green ");
  Serial.println("blink number:");
for (int i=1;  i<=numGBlink; i=i+1 ) {
  Serial.println(i);
  digitalWrite(GreenLEDPin, HIGH);
  delay(GreenOnTime);
  digitalWrite(GreenLEDPin, LOW);
  delay(GreenOnTime);
}
  Serial.print("blue ");
  Serial.println("blink number:");
for (int z=1; z<=numBBlink; z=z+1 ) {
  Serial.println(z);
  digitalWrite(BlueLEDPin, HIGH);
  delay(BlueOnTime);
  digitalWrite(BlueLEDPin, LOW);
  delay(BlueOnTime); 
}
  Serial.print("green ");
  Serial.println("blink number:");
for (int i=1;  i<=numGBlink; i=i+1 ) {
  Serial.println(i);
  digitalWrite(GreenLEDPin, HIGH);
  delay(GreenOnTime);
  digitalWrite(GreenLEDPin, LOW);
  delay(GreenOnTime); 
}
Serial.print("yellow ");
  Serial.println("blink number:");
for (int c=1; c<=numYBlink; c=c+1 ) { 
  Serial.println(c);
  digitalWrite(YellowLEDPin, HIGH);
  delay(YellowOnTime);
  digitalWrite(YellowLEDPin, LOW);
  delay(YellowOnTime);
}
}