In this task, you need to remove all words of a given length in the sentence. The number of letters in a word determine its length, for example, the length of the word "apple" is 5.

Input: Consider Input: Sentence: 'a person on some skis in the snow'. Remove all words of length '4' in the given sentence.

Output: a person on in the


Input: Consider Input: Sentence: 'a bear rolling on his back on some logs'. Remove all words of length '2' in the given sentence.

Output: a bear rolling his back some logs


Input: Consider Input: Sentence: 'a red double decker bus and its driver'. Remove all words of length '3' in the given sentence.


Output: a double decker driver