代码：

x=input()
ans=''
ans+=x
n=len(x)
j=n
while j!=1:
    x=input()
    ans+=x
    j-=1
print(n,end=" ")
if ans[0]=='1':
    print('0',end=" ")
sum=1
for i in range(1,len(ans)):
    if ans[i]==ans[i-1]:
        sum+=1
    else:
        print(sum,end=" ")
        sum=1
print(sum,end="")