import java.time.LocalDate;
import java.time.Month;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
 
class Main {
    private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("W");
 
    public static void main(String[] args) {
        LocalDate date = LocalDate.of(2012, Month.SEPTEMBER, 20);
        System.out.println(date.format(FORMATTER.withLocale(Locale.US)));
        System.out.println(date.format(FORMATTER.withLocale(Locale.UK)));
    }
}

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