#include <bits/stdc++.h>
using namespace std;

string to_string(string s) { return '"' + s + '"'; }
string to_string(bool b) { return b ? "true" : "false"; }
template <class T, class U> string to_string(pair<T, U> p);
template <class C> string to_string(C c) {
  string res = "{";
  for (auto e : c) res += to_string(e) + ", ";
  return res += "}";
}
template <size_t N> string to_string(bitset<N> bs) {
  string res;
  for (size_t i = 0; i < N; ++i) res += '0' + bs[i];
  return res;
}
template <class T, class U> string to_string(pair<T, U> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

void debug() { cerr << '\n'; }
template <class Head, class... Tail> void debug(Head head, Tail... tail) {
  cerr << ' ' << to_string(head), debug(tail...);
}
#ifdef LOCAL
#define DEBUG(...) cerr << "[" << #__VA_ARGS__ << "]:", debug(__VA_ARGS__)
#else
#define DEBUG(...)
#endif

int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  int n;
  cin >> n;
  string s;
  cin >> s;
  vector<long long> a(n);
  for (auto&& e : a) {
    cin >> e;
  }
  a.push_back(0);
  for (int i = n - 1; i >= 0; --i) {
    a[i] += a[i + 1];
  }
  vector<int> c(n + 1);
  for (int i = n - 1; i >= 0; --i) {
    c[i] = (s[i] == 'E') + c[i + 1];
  }
  vector<long long> mn(n + 1, 1e18);
  for (int r = 0; r <= n; ++r) {
    for (int l = 0; l <= r; ++l) {
      int x = c[l] - c[r];
      mn[x] = min(mn[x], a[l] - a[r]);
    }
  }
  DEBUG(mn);
  int q;
  cin >> q;
  while (q--) {
    int k;
    cin >> k;
    int res = prev(upper_bound(begin(mn), end(mn), k)) - begin(mn);
    cout << res << '\n';
  }
}