from itertools import accumulate
from collections import defaultdict
import bisect


def main():
    n = int(input())
    s = input()
    a = list(map(int, input().split()))  # 敵，壁の耐久力
    q = int(input())
    k = list(map(int, input().split()))  # 攻撃力

    # 自明な場合
    if s == 'W' * n:
        for _ in range(q):
            print(0)
        exit()

    # 非自明な場合
    enemy = [0]  # 敵数の累積和
    e = 0
    for i in s:
        if i == 'E':
            e += 1
        enemy.append(e)

    acc = [0] + list(accumulate(a))  # 攻撃力の累積和

    # d[x]:敵をx匹倒すのに必要な攻撃力
    offensive_power = defaultdict(lambda: 10 ** 13)
    for left in range(n):
        for right in range(left, n):
            e = enemy[right + 1] - enemy[left]
            op = acc[right + 1] - acc[left]
            offensive_power[e] = min(offensive_power[e], op)

    ans = []
    for i in range(1, s.count('E') + 1):
        ans.append(offensive_power[i])

    for kk in k:
        res = bisect.bisect_right(ans, kk)
        print(res)


if __name__ == "__main__":
    main()