#define led 8
#define led1 9
#define led2 10
#define led3 11
#define led4 12
#define led5 13

void setup() {
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(led, HIGH);
  delay(250);
  digitalWrite(led1, HIGH);
  delay(250);
  digitalWrite(led, LOW);
  delay(250);
  digitalWrite(led1, LOW);
  delay(250);
  digitalWrite(led2, HIGH);
  delay(500);
  digitalWrite(led3, HIGH);
  delay(250);
  digitalWrite(led2, LOW);
  delay(500);
  digitalWrite(led3, LOW);
  delay(250);
  digitalWrite(led4, HIGH);
  delay(500);
  digitalWrite(led5, HIGH);
  delay(250);
  digitalWrite(led4, LOW);
  delay(500);
  digitalWrite(led5, LOW);
  delay(250);
  
}