def get_num(s):
    c = "ｗ"
    n = 0
    m = 0
    for v in s:
        if v == c:
            m += 1
        else:
            m = 0
        if m > n:
            n = m
    return n

def main():
    s = input()
    s_ = s
    for i,c in enumerate(s):
        if c == "ｗ":
            s_ = s[i+1:]
        else:
            break;
    s = s_

    if 'ｗ' not in s:
        print("")
        return

    sep = "ｗ"*get_num(s)
    ans = []
    if sep == "":
        print("")
        return

    for a in s.split(sep):
        if a != '':
            ans.append(a.split("ｗ")[-1])

    if s[-1] != 'ｗ':
        ans = ans[:-1]
    if ans == []:
        print("")
    else:
        for a in ans:
            print(a)

if __name__ == "__main__":
    main()