#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

void setup() {
  lcd.init();
  lcd.clear();
  lcd.backlight();
}

void loop() {
  for (int s = 0 ; s < 16; s++){
    lcd.clear();
    lcd.setCursor(s,0);
    lcd.print("HALOWWW");
    delay(200);
    }
  for (int a = 16; a >= 0; a--) {
    lcd.clear();
    lcd.setCursor(a,1);
    lcd.print("HALOWWW");
    delay(200);
    }
}