INF = 10**18

N = int(input())
S = input()
A = list(map(int, input().split()))
Q = int(input())
K = list(map(int, input().split()))

enemy = [0]

for i in range(N):
    if S[i] == 'E':
        enemy.append(enemy[-1] + 1)
    else:
        enemy.append(enemy[-1])

hp = [0]

for i in range(N):
    hp.append(hp[-1] + A[i])

min_hp = [INF for _ in range(N + 1)]

for i in range(N):
    for j in range(i + 1, N + 1):
        min_hp[enemy[j] - enemy[i]] = min(hp[j] - hp[i], min_hp[enemy[j] - enemy[i]])

for k in range(Q):
    res = 0
    for i in range(N):
        if min_hp[i] <= K[k]:
            res = max(i, res)
    print(res)