void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  if(!Serial)Serial.println("is not oke");
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(2, HIGH);
Serial.println("red is on");
delay(4000);
digitalWrite(2, LOW);
Serial.println("red is off");
digitalWrite(3, HIGH);
Serial.println("yellow is on");
delay(4000);
digitalWrite(3, LOW);
Serial.println("yellow is off");
digitalWrite(4, HIGH);
Serial.println("green is on");
delay(4000);
digitalWrite(4, LOW);
Serial.println("green is off");
digitalWrite(5, HIGH);
Serial.println("blue is on");
delay(4000);
digitalWrite(5, LOW);
Serial.println("blue is off");
digitalWrite(6, HIGH);
Serial.println("orange is on");
delay(4000);
digitalWrite(6, LOW);
Serial.println("orange is off");
digitalWrite(7, HIGH);
Serial.println("purple is on");
delay(4000);
digitalWrite(7, LOW);
Serial.println("purple is off");
digitalWrite(2, HIGH);
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
delay(3000);
digitalWrite(2, LOW);
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
delay(4000);


}