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 is crouched down by a big elephant'. Remove all words of length '3' in the given sentence.

Output: a is crouched down by a elephant


Input: Consider Input: Sentence: 'a woman relaxing feet up on a bench'. Remove all words of length '4' in the given sentence.

Output: a woman relaxing up on a bench


Input: Consider Input: Sentence: 'three people are going snow boarding in the cold'. Remove all words of length '5' in the given sentence.


Output: people are snow boarding in the cold