#include <LiquidCrystal.h>

#define rs 12
#define en 11
#define d4 5
#define d5 4
#define d6 3
#define d7 2

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16, 2);
  lcd.setCursor(2, 0);
  lcd.print("Hello World!");
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(7, 1);
  lcd.print(millis() / 1000);
}