int r=11;
int g=10;
int b=9;

void setup() {
  pinMode(b, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(r, OUTPUT);
}

void loop() {
  digitalWrite(b, HIGH);
  digitalWrite(g, HIGH);
  digitalWrite(r, HIGH);
  delay(1000);
  digitalWrite(b, LOW);
  digitalWrite(g, LOW);
  digitalWrite(r, LOW);
  delay(1000);

  digitalWrite(r, HIGH);
  delay(1000);
  digitalWrite(r, LOW);
  delay(1000);

}