2.2

public static void main (String[] args) throws java.lang.Exception
    {

        Scanner in = new Scanner(System.in);
        String str = in.nextLine();
        int sNum = in.nextInt();

        String parseStr[] = str.split(",");
        Integer[] sequence = new Integer[parseStr.length];
        int k=0;
        for(String s : parseStr){
            sequence[k]=Integer.parseInt(s.trim());
            k++;
        }

        int j = 0;
        Boolean chk = true;
        while (j < sequence.length - 1 && chk) {
            int i = j;
            int sum = 0;
            while (i < sequence.length - 1 && sum <= sNum) {
                sum += sequence[i];
                if (sum == sNum) {
                    for (int l = j; l <= i; l++) {
                        System.out.print(sequence[l]);
                        if (l < i)
                            System.out.print(", ");
                        else
                            System.out.println("");
                    }
                    chk = false;
                    break;
                }
                i++;
            }
            j++;
        }

    }