void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(26, OUTPUT);
  pinMode(18, OUTPUT);
}

void loop() {
 for(int i=0;i<=10;i++){
  if(i>5&&i<=9){
    digitalWrite(26, HIGH);
    digitalWrite(18, HIGH);
    Serial.println(i);
  }else{
    digitalWrite(26, LOW);
    digitalWrite(18, LOW);
    Serial.println(i);
  }
  delay(1000);
 }
}