#include <string>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
	int N; string S;
	cin >> N >> S;
	vector<long long> A(N);
	for(int i = 0; i < N; ++i) {
		cin >> A[i];
	}
	vector<long long> opt(N + 1, 1LL << 62);
	opt[0] = 0;
	for(int i = 0; i < N; ++i) {
		long long sum = 0; int cnt = 0;
		for(int j = i; j < N; ++j) {
			sum += A[j];
			if(S[j] == 'E') ++cnt;
			opt[cnt] = min(opt[cnt], sum);
		}
	}
	int Q;
	cin >> Q;
	while(Q--) {
		long long x;
		cin >> x;
		int ans = 0;
		for(int i = 0; i <= N; ++i) {
			if(opt[i] <= x) ans = i;
		}
		cout << ans << endl;
	}
	return 0;
}