##  Dubstep
##  6 kyu
##  https://www.codewars.com/kata/551dc350bf4e526099000ae5


def song_decoder(song):
    return " ".join([i for i in song.split("WUB") if not i == ''])
##  Dubstep
##  6 kyu
##  https://www.codewars.com/kata/551dc350bf4e526099000ae5


def song_decoder(song):
    return " ".join([i for i in song.split("WUB") if not i == ''])
##  Dubstep ##  6 kyu ##  https://www.codewars.com/kata/551dc350bf4e526099000ae5