#define LED 4

 #define LED2 5
 void setup(){
  pinMode(LED, OUTPUT);
  pinMode(LED2, OUTPUT);
 }
 void loop(){
  digitalWrite(LED, HIGH);
  delay(1000);
  digitalWrite(LED, LOW);
  delay(1000);
  digitalWrite(LED2, HIGH);
  delay(1000);
  digitalWrite(LED2, LOW);
  delay(1000);
  
 }