#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
void setup() {
  pinMode(A0, INPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  Serial.begin(9600);
  lcd.begin(16,2);
  lcd.clear();
}

void loop() {
  int APin = A0;
  int sensor=analogRead(APin);
  Serial.println(sensor);
  if (sensor < 500){
    lcd.setCursor(1,0);
    digitalWrite(8, LOW);
    digitalWrite(9, HIGH);
    lcd.print("GGGGGG");
    delay(500);
    lcd.setCursor(1,1);
    lcd.print(sensor);
    delay(500);
    lcd.clear();
  }
  else {
    lcd.setCursor(1,0);
    digitalWrite(9, LOW);
    digitalWrite(8, HIGH);
    lcd.print("YYYYYYY");
    delay(500);
    lcd.setCursor(1,1);
    lcd.print(sensor);
    delay(500);
    lcd.clear();
  }
}