S = list(input())
S.reverse()
L = [[] for i in range(100)]
cnt = 0
now = []
for s in S:
    if s == "ｗ":
        if now:
            L[cnt].append(now)
            cnt = 0
        now = []
        cnt += 1
    else:
        now.append(s)
        
if now:
    L[cnt].append(now)
for i in range(99, -1, -1):
    if L[i]:
        L[i].reverse()
        for a in L[i]:
            a.reverse()
            print(*a, sep="")
        exit()