int led=8;
int led1=7;
int led2=9;
void setup() {
  Serial.begin(9600);
  pinMode(led,OUTPUT);
  pinMode(led1,OUTPUT);
  pinMode(led2,OUTPUT);

}

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

void loop() {
  digitalWrite(led,HIGH);
  Serial.println("led is on");
  delay(1000);
  digitalWrite(led,LOW);
  Serial.println("led is off");
  delay(1000);
  digitalWrite(led1,HIGH);
  Serial.println("led1 is on");
  delay(1000);
  digitalWrite(led1,LOW);
  Serial.println("led1 is off");
  delay(1000);
  digitalWrite(led2,HIGH);
  Serial.println("led2 is on");
  delay(1000);
  digitalWrite(led2,LOW);
  Serial.println("led2 is off");
  delay(1000);
  // put your main code here, to run repeatedly:

}