При решаване на задача Suitcases Load Judge ми дава една грешка Test#2 (Runtime error).

Кода е по долу. Ако може някой да помогне!

import java.util.Scanner;

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

        double volRemain = Double.parseDouble(scan.nextLine());
      
        String volumeSuitcase = "";
        
        double volSuitcase = 0.00;
        int counter = 0;
        int a =0;
        int b = 1;

            while (true) {
                volumeSuitcase = scan.nextLine();
                if (volumeSuitcase.equals("End")) {
                    break;
                }

                volSuitcase = Double.parseDouble(volumeSuitcase);
                if (volRemain < volSuitcase) {
                    a = 1;
                    break;
                }else if (volRemain == volSuitcase && b == 1) {
                    if (volRemain != 0) {
                        counter++;
                    }
                    a = 1;
                    break;
                }
                counter++;
                if (counter % 3 == 0 && counter !=0) {
                    volSuitcase = volSuitcase * 1.10;
                }

                volRemain = volRemain - volSuitcase;
                b = 0;



            }
            if (a == 1) {
                System.out.println("No more space!");
                System.out.printf("Statistic: %d suitcases loaded.", counter);
            } else if (volumeSuitcase.equals("End")){
                System.out.println("Congratulations! All suitcases are loaded!");
                System.out.printf("Statistic: %d suitcases loaded.", counter);
            }

            }
        }