import java.text.ParseException;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.temporal.WeekFields;
import java.util.ArrayList;
import java.util.Scanner;

import java.util.*;

import static java.time.temporal.ChronoUnit.WEEKS;

public class MonthWeek {

    public static void main(String[] args) throws ParseException {
        String date1 = "20190825";
        String date2 = "20200122";

        List<String> numberWeeks = new ArrayList<>();

        DateTimeFormatter dtF = DateTimeFormatter.ofPattern("yyyyMMdd");

        LocalDate startDate = LocalDate.parse(date1, dtF);
        LocalDate endDate = LocalDate.parse(date2, dtF);

        int addWeek = 0;

        if (startDate.get(WeekFields.ISO.weekOfYear()) < endDate.get(WeekFields.ISO.weekOfYear())) {
            addWeek = 1;
        }
        long weeks = WEEKS.between(startDate, endDate) + addWeek;

        if (weeks >= 0) {
            int week = 0;
            String month = "";
            do {
                //Get the number of week
                LocalDate dt = startDate.plusWeeks(week);
                int weekNumber = dt.get(WeekFields.ISO.weekOfYear());
                if(!dt.getMonth().name().contentEquals(month)) {
                    month = dt.getMonth().name();
                    numberWeeks.add(month);
                }
                numberWeeks.add(" " + weekNumber);
                week++;
            } while (week <= weeks);
        }

        System.out.println(numberWeeks);

        Scanner scanner = new Scanner(System.in);
        System.out.println("Press Enter to exit");
        scanner.nextLine();
        scanner.close();
    }

}