#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;


int main(){
  int N;
  cin >> N;
  string S;
  cin >> S;
  vector<ll> v;
  rep(i,N){
    ll a;
    cin >> a;
    v.push_back(a);
  }

  vector<ll> memo(N+1, 10000000000000LL);
  rep(i,N){
    ll base = 0;
    ll cnt = 0;
    REP(j,i,N){
      if(S[j] == 'E') cnt++;
      base += v[j];
      memo[cnt] = min(memo[cnt], base);
    }
  }
  reverse(ALLOF(v));
  reverse(ALLOF(S));
  rep(i,N){
    ll base = 0;
    ll cnt = 0;
    REP(j,i,N){
      if(S[j] == 'E') cnt++;
      base += v[j];
      memo[cnt] = min(memo[cnt], base);
    }
  }

  int Q;
  cin >> Q;
  rep(i,Q){
    ll k;
    cin >> k;

    int ret = 0;
    rep(j,memo.size()){
      if(memo[j] <= k) ret = max(ret, j);
    }
    cout << ret << endl;
  }
  
  return 0;
}