public String adding(String field, int min, int max)
    {
        String newField = "";
        if(field.substring(0, 5).equals("START"))
        {
            field = field.substring(5);

             for(int i = 1; i <= field.length(); i++)
            {
                 System.out.println(field.substring(i - 1, i));
                if(isNumber(field.substring(i - 1, i)))
                {
                    newField = newField + field.substring(i - 1, i);
                }
                else if(field.substring(i - 1, i).equals(" "))
                {
                    //  ignore space
                }
                else if(field.substring(i - 1, i).equals("A") && field.substring(i - 1).length() > 3)
                {
                    if(field.substring(i - 1, i + 2).equals("ADD"))
                    {
                        i = i + 2;
                        System.out.println(field);
                        newField = newField + "/";
                    }
                    else
                    {
                        newField = "~invalid~";
                        break;
                    }
                }
                else
                {
                    newField = "~invalid~";
                    break;
                }

            }
        }
        
        return newField;

    }