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()
    s_ = s
    for i,c in enumerate(s):
        if c == "ｗ":
            s_ = s[i:]
        else:
            break;
    s = s_
    sep = "ｗ"*get_num(s)
    ans = []
    if sep == "":
        print("")
    else:
        for a in s.split(sep):
            if a != '':
                ans.append(a.split("ｗ")[-1])
        if ans == []:
            print("")
        else:
            for a in ans:
                print(a)