const int ledA = 0;
const int ledB = 1;
const int ledC = 2;
const int ledD = 3;
const int ledE = 4;

int sensorValue;

void setup() {
 pinMode(ledA, OUTPUT);
 pinMode(ledB, OUTPUT);
 pinMode(ledC, OUTPUT);
 pinMode(ledD, OUTPUT);
 pinMode(ledE, OUTPUT);

}

void loop() {

  digitalWrite(ledE, HIGH);
  delay(500);
  digitalWrite(ledE, LOW);

  digitalWrite(ledA, HIGH);
  delay(500);
  digitalWrite(ledA, LOW);

  digitalWrite(ledB, HIGH);
  delay(500);
  digitalWrite(ledB, LOW);

  digitalWrite(ledD, HIGH);
  delay(500);
  digitalWrite(ledD, LOW);

  digitalWrite(ledC, HIGH);
  delay(500);
  digitalWrite(ledC, LOW);
  delay(500);

  digitalWrite(ledA, HIGH);
  digitalWrite(ledB, HIGH);
  digitalWrite(ledC, HIGH);
  digitalWrite(ledD, HIGH);
  digitalWrite(ledE, HIGH);
  delay(500);
  digitalWrite(ledA, LOW);
  digitalWrite(ledB, LOW);
  digitalWrite(ledC, LOW);
  digitalWrite(ledD, LOW);
  digitalWrite(ledE, LOW);
  delay(500);
  digitalWrite(ledA, HIGH);
  digitalWrite(ledB, HIGH);
  digitalWrite(ledC, HIGH);
  digitalWrite(ledD, HIGH);
  digitalWrite(ledE, HIGH);
  delay(500);
  digitalWrite(ledA, LOW);
  digitalWrite(ledB, LOW);
  digitalWrite(ledC, LOW);
  digitalWrite(ledD, LOW);
  digitalWrite(ledE, LOW);
  delay(500);

  digitalWrite(ledD, HIGH);
  digitalWrite(ledA, HIGH);
  delay(500);
  digitalWrite(ledA, LOW);
  digitalWrite(ledD, LOW);
  delay(500);

  digitalWrite(ledE, HIGH);
  digitalWrite(ledB, HIGH);
  digitalWrite(ledC, HIGH);
  delay(500);
  digitalWrite(ledE, LOW);
  digitalWrite(ledB, LOW);
  digitalWrite(ledC, LOW);
  delay(500);


  digitalWrite(ledE, HIGH);
  delay(500);
  digitalWrite(ledE, LOW);

  digitalWrite(ledA, HIGH);
  delay(500);
  digitalWrite(ledA, LOW);

  digitalWrite(ledB, HIGH);
  delay(500);
  digitalWrite(ledB, LOW);

  digitalWrite(ledD, HIGH);
  delay(500);
  digitalWrite(ledD, LOW);

  digitalWrite(ledC, HIGH);
  delay(500);
  digitalWrite(ledC, LOW);
  delay(500);

  }