import sys
input = sys.stdin.readline

N=int(input())
S=input().strip()

A=[0]*N

ind=0

for s in S:
    if ind==0 and s=="<":
        print("error")
        exit()
    if ind==N-1 and s==">":
        print("error")
        exit()

    if s=="+":
        A[ind]+=1
    if s=="-":
        A[ind]-=1
    if s==">":
        ind+=1
    if s=="<":
        ind-=1

print(*A)