const int LDR = 4;
const int LED = 5;
int input_val = 0;

void setup() {
  Serial.begin(9600);
  pinMode(LED, OUTPUT);
}

void loop() {
  input_val = analogRead(LDR);
  Serial.print("LDR value is: ");
  Serial.println(input_val);
  delay(1000);

  if (input_val < 800) {  // Inverted condition for darkness
    digitalWrite(LED, HIGH);
    delay(5000);
  } else {
    digitalWrite(LED, LOW);
    delay(1000);
  }
}