const int ihsan = 8;
const int zan = 5;
const int kanz = 4;

void setup() {
  // put your setup code here, to run once:
pinMode(ihsan, OUTPUT);
pinMode(zan, OUTPUT);
pinMode(kanz, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(ihsan, HIGH);
digitalWrite(zan, LOW);
digitalWrite(kanz, HIGH);
delay(1000);
digitalWrite(ihsan, LOW);
digitalWrite(zan, HIGH);
digitalWrite(kanz, LOW);
delay(500);
}