const int fastBlinkLedPin=13;
const int slowBlinkLedPin=2;
const long fastBlinkInterval=500;
const long slowBlinkInterval=1500;
void setup() {
  // put your setup code here, to run once:
  pinMode (fastBlinkLedPin,OUTPUT);
  pinMode (slowBlinkLedPin,OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
for( int i=0;i<5;i++)
{digitalWrite(fastBlinkLedPin,HIGH);
 delay(fastBlinkInterval/2);
 digitalWrite(fastBlinkLedPin,LOW);
 delay(fastBlinkInterval/2);
}
for( int i=0;i<3;i++)
{
  digitalWrite(slowBlinkLedPin,HIGH);
  delay(slowBlinkInterval/2);
  digitalWrite(slowBlinkLedPin,LOW);
  delay(slowBlinkInterval/2);
}
delay(1000);
}