i luv kimchi

                    int num = 0;
                    sent = "";
                    for (int x = 0; x < nums.length; x++)
                    {
                        if (nums[x].matches("\\d+"))
                        {
                            num = Integer.parseInt(nums[x]);
                            num = num * 2;
                            nums[x] = Integer.toString(num);
                            num = 0;
                        }
                    }
                    if (word.length == 0)
                    {
                        sent = nums[0];
                    }
                    if (word.length > 0)
                    {
                        if (word[0].equals(""))
                        {
                            for(int a = 0; a < nums.length; a++)
                            {
                                sent = sent + nums[a];
                                if (a < (nums.length))
                                    sent = sent + word[a + 1];
                            }
                        }
                        else
                        {
                            for (int b = 0; b < word.length; b++)
                            {
                                sent = sent + word[b];
                                if (b + 1 < (nums.length))
                                    sent = sent + nums[b + 1];
                            }