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 sanding in a room next to a clock wearing a tie'. Remove all words of length '3' in the given sentence.

Output: a sanding in a room next to a clock wearing a


Input: Consider Input: Sentence: 'a group of men riding skis down a snow covered slope'. Remove all words of length '6' in the given sentence.

Output: a group of men skis down a snow covered slope


Input: Consider Input: Sentence: 'a couple of birds having sex on top of a river'. Remove all words of length '3' in the given sentence.


Output: a couple of birds having on of a river