n = int(input())
S = input()
A = list(map(int,input().split()))
q = int(input())
K = list(map(int,input().split()))
sK = sorted([[k,i] for i,k in enumerate(K)])
ans = [0]*q
for i in range(n):
    num = 0
    now = i
    hp = 0
    for k,ind in sK:
        while now < n and hp+A[now] <= k:
            hp += A[now]
            if S[now] == "E":
                num += 1
            
            now += 1
        ans[ind] = max(ans[ind],num)

for i in ans:
    print(i)