int greenLed=12;
int redLed=13;
void setup() {
  // put your setup code here, to run once:
pinMode(greenLed, OUTPUT);
pinMode(redLed, OUTPUT);
digitalWrite(redLed, HIGH);
digitalWrite(greenLed, LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
for(int num=0; num<80; num++){
digitalWrite(redLed, LOW);
delay(50);
digitalWrite(redLed, HIGH);
delay(50);
}
digitalWrite(redLed, LOW);
digitalWrite(greenLed,HIGH);
delay(5000);
digitalWrite(redLed, HIGH);
digitalWrite(greenLed,LOW);
}