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();
        int[] eSums = new int[n + 1];
        int[] sSums = new int[n + 1];
        for (int i = 1; i <= n; i++) {
            eSums[i] = eSums[i - 1];
            if (arr[i - 1] == 'E') {
                eSums[i]++;
            }
            sSums[i] = sSums[i - 1];
            sSums[i] += sc.nextInt();
            
        }
        int max = eSums[n];
        int[] scores = new int[max + 1];
        Arrays.fill(scores, Integer.MAX_VALUE);
        scores[0] = 0;
        for (int i = 0; i < n; i++) {
            for (int j = i + 1; j <= n; j++) {
                int count = eSums[j] - eSums[i];
                scores[count] = Math.min(scores[count], sSums[j] - sSums[i]);
            }
        }
        int q = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < q; i++) {
            int x = sc.nextInt();
            int idx = 0;
            while (idx < max && scores[idx + 1] <= x) {
                idx++;
            }
            sb.append(idx).append("\n");
        }
        System.out.print(sb);
    }
}