Wedding Seats Nested Loops - More Exercises

import java.util.Scanner;

public class WeddingSeats {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        char lastSector = scanner.nextLine().charAt(0);
        int countRowsInFirstSector = Integer.parseInt(scanner.nextLine());
        int countSeatsOddRow = Integer.parseInt(scanner.nextLine());

        int stopSecondSector = countRowsInFirstSector;

        int counterSeatsTotal = 0;



        StringBuilder sb = new StringBuilder();

        for (char i = 'A'; i <= lastSector ; i++) {

            for (int j = 1; j <= stopSecondSector; j++) {
               if (j % 2 != 0){
                   for (char k = 'a'; k < 'a'+ countSeatsOddRow ; k++) {
                       sb.append(i);
                       sb.append(j);
                       sb.append(k);
                       sb.append(System.lineSeparator());

                      counterSeatsTotal++;
                   }
               } else if (j % 2 == 0){
                   for (char k = 'a'; k < 'a' + (2 + countSeatsOddRow) ; k++) {
                       sb.append(i);
                       sb.append(j);
                       sb.append(k);
                       sb.append(System.lineSeparator());

                       counterSeatsTotal++;
                   }
               }

            }
            stopSecondSector++;

        }
        System.out.println(sb.toString());
        System.out.printf("%d", counterSeatsTotal);
    }
}