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: 'boats sailing along a river next to a cliff with buildings on it'. Remove all words of length '4' in the given sentence.

Output: boats sailing along a river to a cliff buildings on it


Input: Consider Input: Sentence: 'a couple of men on a field with a frisbee'. Remove all words of length '1' in the given sentence.

Output: couple of men on field with frisbee


Input: Consider Input: Sentence: 'purple and blue flowers in a small basket'. Remove all words of length '4' in the given sentence.


Output: purple and flowers in a small basket