//Led Array
const int Led[6] = {2, 3, 4, 5, 6, 7};
const int LedGenap[] = {2, 4, 6};
const int LedGanjil[] = {3, 5, 7};
//for Loop 
//for (awal; syarat; perubahan) {
//     kode yang diulang
//                               }
const int LedLength = sizeof(Led) / sizeof(Led[0]);
void setup() {
  //pinMode
  for(int i = 0;i < LedLength;i++){
    pinMode(Led[i], OUTPUT);
  }
}

void loop() {
  for (int i = 0;i < 3;i++){
    digitalWrite(LedGenap[i], HIGH);
  }
  delay(1000);
  for(int i = 0; i < LedLength; i++){
    digitalWrite(Led[i], LOW);
  }
  delay(1000);
  for (int i = 0;i < 3;i++){
    digitalWrite(LedGanjil[i], HIGH);
  }
  delay(1000);
  for(int i = 0; i < LedLength; i++){
    digitalWrite(Led[i], LOW);
  }
  delay(1000);


}