void setup() {
  // put your setup code here, to run once:
pinMode(1, OUTPUT);
pinMode(2, OUTPUT);
}

void loop() {
  //put your main code here to run it repeatedly
  digitalWrite(1,HIGH);
  delay(500);
 digitalWrite(1,LOW);
 delay(200); 
  digitalWrite(2,HIGH);
  delay(500);
 digitalWrite(2,LOW);
 delay(200); 
}