import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        char[] arr = sc.next().toCharArray();
        long[] sums = new long[n + 1];
        int[] counts = new int[n + 1];
        int count = 0;
        for (int i = 1; i <= n; i++) {
            sums[i] = sums[i - 1] + sc.nextInt();
            if (arr[i - 1] == 'E') {
                count++;
            }
            counts[i] = count;
        }
        long[] mins = new long[count + 1];
        Arrays.fill(mins, Long.MAX_VALUE);
        mins[0] = 0;
        for (int i = 0; i < n; i++) {
            for (int j = i + 1; j <= n; j++) {
                int enemy = counts[j] - counts[i];
                mins[enemy] = Math.min(mins[enemy], sums[j] - sums[i]);
            }
        }
        int q = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < q; i++) {
            int x = sc.nextInt();
            int left = 0;
            int right = count + 1;
            while (right - left > 1) {
                int m = (left + right) / 2;
                if (mins[m] <= x) {
                    left = m;
                } else {
                    right = m;
                }
            }
            sb.append(left).append("\n");
        }
        System.out.print(sb);
    }
}