#include <LiquidCrystal.h>
const int rs = 7, en = 6, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

int LDRpin = A0, LDRvalue;
void setup() {
  lcd.begin(16, 2);
  pinMode(LDRpin, INPUT);
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.print(analogRead(A0));
}