def fun(s):
    dic = {}
    for si in s:
        if si not in dic:
            dic[si] = 1
        else:
            dic[si] += 1
    res = ""
    for i in range(ord("A"), ord("Z") + 1):
        ci = chr(i)
        if ci in dic:
            res += f"{dic[ci]}"
        else:
            res += "0"
    return res


_ = input()
s = input()
print(fun(s))