if __name__ == "__main__":
    def get_num(s):
        c = "ｗ"
        n = 0
        m = 0
        i = 0
        j = 0
        for e,v in enumerate(s):
            if v == c:
                m += 1
            else:
                m = 0
                j = e
            if m > n:
                n = m
                i = j
        return n
    s = input()
    chunk = "ｗ"*get_num(s)
    for a in s.split(chunk):
        if a != '':
            print(a)