void setup() {
  // put your setup code here, to run once:
pinMode(6, OUTPUT);
pinMode(5, OUTPUT);
pinMode(4, OUTPUT);
pinMode(A5, OUTPUT);
pinMode(7, OUTPUT);}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(6, HIGH);
delay(100);
digitalWrite(6, LOW);
delay(100);
digitalWrite(5, HIGH);
delay(100);
digitalWrite(5, LOW);
delay(100);
digitalWrite(4, HIGH);
delay(100);
digitalWrite(4, LOW);
delay(100);
digitalWrite(A5, HIGH);
delay(100);
digitalWrite(A5, LOW);
delay(100);
digitalWrite(7, HIGH);
delay(100);
digitalWrite(7, LOW);
delay(100);












}