#include <LiquidCrystal.h>
const int rs = 12, en = 11, d4 = 6, d5 = 5, d6 = 4, d7 = 3;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  lcd.begin(16, 2);
}

void loop() {
  // put your main code here, to run repeatedly:
   lcd.setCursor(0,0);
   lcd.print("Hello World!");
   lcd.setCursor(5, 1);
   lcd.print("How are you?");
   lcd.scrollDisplayLeft();
   delay(150);
}