using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var s = ReadLine();
        var a = NList;
        var q = NN;
        var k = NList;
        var ans = new int[q];
        for (var u = 0; u < q; ++u)
        {
            var rest = k[u];
            var pos = 0;
            var enem = 0;
            for (var i = 0; i < n; ++i)
            {
                while (pos < n && rest >= a[pos])
                {
                    if (s[pos] == 'E') ++enem;
                    rest -= a[pos];
                    ++pos;
                }
                ans[u] = Math.Max(ans[u], enem);
                if (s[i] == 'E') --enem;
                rest += a[i];
            }
        }
        WriteLine(string.Join("\n", ans));
    }
}