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 toddler standing next to a sheep pen'. Remove all words of length '4' in the given sentence.

Output: a toddler standing to a sheep pen


Input: Consider Input: Sentence: 'a white towel sits in a large stone bathroom'. Remove all words of length '2' in the given sentence.

Output: a white towel sits a large stone bathroom


Input: Consider Input: Sentence: 'a small dog is sitting in the passenger seat'. Remove all words of length '1' in the given sentence.


Output: small dog is sitting in the passenger seat