#include <iostream>
#include <iomanip>
#include <cmath>
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <numeric>
#include <random>
#include <algorithm>
#include <functional>
#include <cassert>

using namespace std;
typedef long long ll;

template<class T> inline bool chmin(T& a, T b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
template<class T> inline bool chmax(T& a, T b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}

const int INF = (1 << 30) - 1;
const ll INFLL= (1LL << 61) - 1;
const int MOD = 1000000007;
#define ALL(a) (a).begin(),(a).end()
#define rALL(a) (a).rbegin(),(a).rend()
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)

int main(){
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  ll N,Q;
  string S;
  cin>>N>>S;
  vector<ll> A(N),sum1(N+1),sum2(N+1);
  REP(i,N){
    cin>>A[i];
  }
  REP(i,N){
    sum1[i+1]+=sum1[i]+A[i];
    if(S[i]=='E'){
      sum2[i+1]+=sum2[i]+1;
    }else{
      sum2[i+1]+=sum2[i];
    }
  }
  vector<ll> cnt(N+1, INFLL);
  REP(i,N+1){
    REP(j,i){
      chmin(cnt[sum2[i]-sum2[j]], sum1[i]-sum1[j]);
    }
  }
  cin>>Q;
  REP(i,Q){
    ll tmp;
    cin>>tmp;
    cout<<max(0ll,upper_bound(ALL(cnt), tmp)-cnt.begin()-1ll)<<endl;
  }
}