N=int(input())
S=input()
d=[0]*N
if N==2 and S[0]==">" and S[-1] == ">":
    print("error")
    exit()
idx = 0
for i in range(len(S)):
    if S[i] == "+":
        d[idx]+=1
    elif S[i] == "-":
        d[idx]-=1
    elif S[i] == "<":
        idx-=1
    else:
        idx+=1
    if not (0<=idx<len(S)):
        print("error")
        exit()
print(*d)