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);
        }
    }
}

package com.bertramtruong.utils;

/**
 * This file contains all common 
 * @author Bertram
 */
public class BT {
    /// SETTINGS

    private static boolean debugMode = true;
    ///

    ///
    // LOGGING FUNCTIONS
    ///
    /**
     * Toggles between debug mode.
     * @param debugMode 
     */
    public static void toggleDebug(boolean debug) {
        debugMode = debug;
    }

    /**
     * Print out an debug message.
     * @param <T>
     * @param x 
     */
    public static <T> void db(T... x) {
        if (debugMode) {
            System.out.print("DEBUG: ");
            for (T b : x) {
                System.out.print(String.valueOf(b));
            }
            System.out.println();
        }
    }

    /**
     * Print out an info message.
     * @param <T>
     * @param x 
     */
    public static <T> void info(T... x) {
        System.out.print("INFO: ");
        for (T b : x) {
            System.out.print(String.valueOf(b));
        }
        System.out.println();
    }

    /**
     * Print out an error message.
     * @param <T>
     * @param x 
     */
    public static <T> void err(T... x) {
        System.out.print("ERROR: ");
        for (T b : x) {
            System.out.print(String.valueOf(b));
        }
        System.out.println();
    }
    ///
    // END LOGGING FUNCTIONS
    ///
}
