S=input()
while S and S[0]=="ｗ":
    S=S[1:]

X=[]

now=0
for i in range(len(S)-1):
    if (S[i]=="ｗ" and S[i+1]!="ｗ"):
        X.append(S[now:i+1])
        now=i+1
    elif i==len(S)-2 and S[-1]=="ｗ":
        X.append(S[now:])

best=-1
ANS=[]

for x in X:
    k=x.count("ｗ")

    if best<k:
        ANS=[x]
        best=k
    elif best==k:
        ANS.append(x)

for ans in ANS:
    while ans and ans[-1]=="ｗ":
        ans=ans[:-1]
    print(ans)