#include <FastIO.h>
#include <I2CIO.h>
#include <LCD.h>
#include <LiquidCrystal.h>
#include <LiquidCrystal_I2C.h>


#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
void setup() {
lcd.begin(16, 2);

}
void loop()
{
  for (int i = 0; i <16; i++)
lcd.print("Hello, world");
lcd.setCursor(0, 0);
delay(1500);
lcd.clear();
lcd.print("Ross Rubin");
lcd.setCursor(0, 1);
delay(1500);
}