import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package util;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author bohmd
 */
public class Util {
    public static List<Integer> getIntList(String listString) {
        String[] listArray = listString.split(" ");
        List<Integer> list = new ArrayList<Integer>();
        for (String str : listArray) {
            list.add(Integer.parseInt(str));
        }
        return list;
    }

    public static int getInt(String string) {
        return Integer.parseInt(string);
    }

    public static List<Long> getLongList(String listString) {
        String[] listArray = listString.split(" ");
        List<Long> list = new ArrayList<Long>();
        for (String str : listArray) {
            list.add(Long.parseLong(str));
        }
        return list;
    }
}
