n = int(input())
s = input().strip()
a = list(map(int, input().split()))
q = int(input())
k_values = list(map(int, input().split()))

def max_foes_defeated(s, a, k):
    max_foes = 0
    for start in range(n):
        sharpness = k
        foes_count = 0

        for i in range(start, n):
            if sharpness >= a[i]:
                sharpness -= a[i]
                if s[i] == 'E':
                    foes_count += 1
            else:
                break
        
        max_foes = max(max_foes, foes_count)
    
    return max_foes
for k in k_values:
    result = max_foes_defeated(s, a, k)
    print(result)