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 is walking down the beach holding a surfboard'. Remove all words of length '3' in the given sentence.

Output: a person is walking down beach holding a surfboard


Input: Consider Input: Sentence: 'a man is wave boarding with two dogs'. Remove all words of length '3' in the given sentence.

Output: a is wave boarding with dogs


Input: Consider Input: Sentence: 'an office with file cabinets a keyboard and chairs'. Remove all words of length '4' in the given sentence.


Output: an office cabinets a keyboard and chairs