ss = input().strip()
count = 0
for i in ss :
    if i.isdigit() is False :
        break
    count += 1 
s = list()
for i in ss :
    if i.isdigit() :
        s.append(i.strip())
ans = list()
ans.append(count)
current = '0'
count = 0
for i in s :
    if i == current :
        count += 1
    else :
        ans.append(count)
        count = 1
        current = i
ans.append(count)
for i in ans :
    print(int(i), end = ' ')