#include <LiquidCrystal.h>
LiquidCrystal lcd (12,11,10,9,8,7);

void setup() {
  // put your setup code here, to run once:
  pinMode(3, INPUT);
  lcd.begin(16,2);

}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(2, 0);
  lcd.print("Room: ");
  if(digitalRead(3) == 1){
    lcd.print("Dark");
  }else{
    lcd.print("Light");
  }
}