import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.Locale;

public class Main {
	public static void main(String[] args) {
		LocalDate date = LocalDate.parse("2021-10-31");
		System.out.println(date);

		DateTimeFormatter dtfOutput = DateTimeFormatter.ofPattern("dd-MMM-uuuu", Locale.ENGLISH);
		System.out.println(date.format(dtfOutput));
	}
}