import java.time.format.TextStyle;
import java.time.temporal.WeekFields;
import java.util.Locale;

public class Main {
	public static void main(String[] args) {
		// ############## First day of week ##############
		System.out.println(WeekFields.of(Locale.UK).getFirstDayOfWeek().getDisplayName(TextStyle.FULL, Locale.ENGLISH));
		System.out.println(WeekFields.of(Locale.US).getFirstDayOfWeek().getDisplayName(TextStyle.FULL, Locale.ENGLISH));
	}
}