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 man with a backpack waiting at a train station'. Remove all words of length '7' in the given sentence.

Output: a man with a backpack at a train


Input: Consider Input: Sentence: 'a silver train traveling past a tall brick building'. Remove all words of length '1' in the given sentence.

Output: silver train traveling past tall brick building


Input: Consider Input: Sentence: 'a black and white image of a young man looking through the window of a bus'. Remove all words of length '2' in the given sentence.


Output: a black and white image a young man looking through the window a bus