import java.io.*;
import java.util.Arrays;
import java.util.Locale;
import java.util.Scanner;

public class DancingWithTheGooglers {
    // -ea âXmx256M âXss64M
    int N, S, p;
    int[] t;

    private Object solve() throws Exception {
        Arrays.sort(t);
        int result = 0;
        for (int i = t.length - 1; i >= 0; i--) {
            int r = t[i];
            int k = r / 3;
            if (r % 3 > 0) k++;
            if (k >= p) { result++; continue; }
            if (S == 0) break;

            if (r > 0 && r % 3 != 1) {
                k++;
            }
            if (k >= p) { result++; S--; }
        }
        return result;
    }

    private void load() throws Exception {
        N = nextInt();
        S = nextInt();
        p = nextInt();
        t = nextIntArray(N);
        log.print("N: " + N + ", S: " + S + ", p: " + p + ", t: " + Arrays.toString(t));
    }


    private static final String PREFIX = "B-small-attempt0";
    private static final String PATH = "d:/gcjam12/qr/";
    private static final String POSTFIX_IN = ".in";
    private static final String POSTFIX_OUT = ".out";
    private static final PrintStream log = System.out;

    public static void main(String args[]) throws Exception {
        Locale.setDefault(Locale.US);
        InputStreamReader reader = new InputStreamReader(new BufferedInputStream(new FileInputStream(PATH + PREFIX + POSTFIX_IN)));
        PrintStream out = new PrintStream(new FileOutputStream(PATH + PREFIX + POSTFIX_OUT));
        Scanner in = new Scanner(reader);

        long t0 = System.nanoTime();
        int testCount = in.nextInt(); in.nextLine();
        for (int testIndex = 1; testIndex <= testCount; testIndex++) {
            log.printf("Data #%d: ", testIndex);

            DancingWithTheGooglers s = new DancingWithTheGooglers();
            s.in = in;
            s.load();
            s.in = null;
            log.println();

            long t1 = System.nanoTime();
            String result = "Case #" + testIndex + ": " + s.solve();

            out.println(result);
            log.println(result);
            log.printf("Time #%d: %.6f sec\n\n", testIndex, (System.nanoTime() - t1) / 1e9);
        }
        log.printf("Total time: %.6f sec", (System.nanoTime() - t0)/1e9);

        reader.close();
        out.close();
    }

    private Scanner in;
    private int nextInt() { return in.nextInt(); }
    private long nextLong() { return in.nextLong(); }
    private double nextDouble() { return Double.parseDouble(in.next()); }
    private String nextLine() { return in.nextLine().trim(); }
    private void skipLine() { in.nextLine(); }
    private String next() { return in.next().trim(); }
    private int[] nextIntArray(int size) { int[] a = new int[size]; for (int i = 0; i < size; i++) a[i] = in.nextInt(); return a; }
    private long[] nextLongArray(int size) { long[] a = new long[size]; for (int i = 0; i < size; i++) a[i] = in.nextLong(); return a; }
    private double[] nextDoubleArray(int size) { double[] a = new double[size]; for (int i = 0; i < size; i++) a[i] = Double.parseDouble(in.next());  return a; }
    private String[] nextLineArray(int size) { String[] a = new String[size]; for (int i = 0; i < size; i++) a[i] = in.nextLine().trim(); return a; }
    private String[] nextTokenArray(int size) { String[] a = new String[size]; for (int i = 0; i < size; i++) a[i] = in.next().trim(); return a; }
}
