const int ldr1 = A0;  
const int ldr2 = A1;  
const int urip = 9;  

int ldrValue1 = 0;
int ldrValue2 = 0;

const int threshold = 500;

void setup() {
  pinMode(urip, OUTPUT);  
}

void loop() {
  ldrValue1 = analogRead(ldr1);   
  ldrValue2 = analogRead(ldr2);
  
  if (ldrValue1 > threshold || ldrValue2 > threshold) {
    digitalWrite(urip, HIGH); 
  } else {
    digitalWrite(urip, LOW);    
  }

  delay(100);  
}