int ledR = 6;
int ledA = 4;
int ledV = 2;
void setup() {
pinMode(6, OUTPUT);
pinMode(4, OUTPUT);
pinMode(2, OUTPUT);

}

void loop() {
     digitalWrite(ledR, HIGH);
  delay(6000);
  digitalWrite(ledR, LOW);
     digitalWrite(ledA, HIGH);
  delay(1000);
  digitalWrite(ledA, LOW);
     digitalWrite(ledV, HIGH);
  delay(5000);
  digitalWrite(ledV, LOW);
      digitalWrite(ledA, HIGH);
  delay(1000);
  digitalWrite(ledA, LOW);
}