#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
const ll INF = 1e18;
const int MOD = 1000000007;


int main() {
    int n;
    cin >> n;
    string s;
    cin >> s;
    vector<ll> a(n);
    rep(i,n) cin >> a[i];
    vector<ll> monster(n+1);
    vector<ll> HP(n+1);
    vector<ll> energy(n+1,INF);

    for(int i=1;i<=n;i++){
        if(s[i-1] == 'E') monster[i] = monster[i-1] + 1;
        else monster[i] = monster[i-1];
    }
    for(int i=1;i<=n;i++){
        HP[i] = HP[i-1] + a[i-1];
    }

    for(int i=0;i<=n;i++){
        for(int j = i;j<=n;j++){
            ll hp = HP[j] - HP[i];
            ll mon = monster[j] - monster[i];
            energy[mon] = min(energy[mon],hp);
        }
    }

    int q;
    cin >> q;
    rep(i,q){
        int k,res = 0;
        cin >> k;
        rep(i,n+1){
            if(energy[i] <= k) res = i;
        }
        cout << res << endl;
    }
    return 0;  
}