import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
  public static void main(String[] args) {
	System.out.println(new SimpleDateFormat("yyyy-MM-dd").format(new Date(2020 - 1900, 11, 30, 20, 30)));
	System.out.println(new SimpleDateFormat("YYYY-MM-dd").format(new Date(2020 - 1900, 11, 30, 20, 30)));
  }
}