from itertools import accumulate
from bisect import bisect_left
N = int(input())
S = list(str(input()))
A = [0]+list(map(int,input().split()))
Q = int(input())
K = list(map(int,input().split()))
KS = sorted(K)
scoreK = [0]*Q
sumA = list(accumulate(A))
E = []
for s in S:
    if s == 'E':
        E.append(1)
    else:
        E.append(0)
sumE = [0]+list(accumulate(E))
for i in range(N+1):
    for j in range(i,N+1):
        cost = sumA[j]-sumA[i]
        enemies = sumE[j]-sumE[i]
        b = bisect_left(KS,cost)
        if b < Q:
            scoreK[b] = max(scoreK[b],enemies)
m = 0
for i in range(Q):
    m = max(scoreK[i],m)
    scoreK[i] = m
mapK = {}
for i in range(Q):
    mapK[KS[i]] = scoreK[i]
for k in K:
    print(mapK[k])