void setup() {

}
  // put your setup code here, to run once:
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(1, HIGH);
delay(1000)
digitalWrite(1, LOW);
delay(1000)
digitalWrite(2, HIGH);
delay(1000)
digitalWrite(2, LOW);
delay(1000)
digitalWrite(3, HIGH);
delay(1000)
digitalWrite(3, LOW);
delay(1000)
digitalWrite(4, HIGH);
delay(1000)
digitalWrite(4, LOW);
delay(1000)
digitalWrite(5, HIGH);
delay(1000)
digitalWrite(5, LOW);
delay(1000)

}