import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


package template;

//standard libraries potentially used:
//Apache commons http://http://commons.apache.org/
//Google Guava http://code.google.com/p/guava-libraries/

import java.util.ArrayList;


public class Template {

    public static void main(String[] args) {

        //test();
        //Utils.die("Done testing");

        String folder = "C:\\Users\\Paul Thomson\\Documents\\CodeJam\\DancingWithTheGooglers\\";
        Utils.logfile = folder + "log.txt";
        String infile = folder + "large.in";
        String outfile = infile.substring(0, infile.lastIndexOf(".")) + ".out";
        ArrayList<TestCase> tcList = TestCaseIO.loadFromFile(infile);
        //ArrayList<TestCase> tcList = TestCaseIO.mockUp();

        int numThreads = 1;
        if (numThreads == 1) {
            TestCaseSolver tcSolver = new TestCaseSolver(tcList, 1);
            tcSolver.run();
        } else {
            //split into separate lists
            ArrayList<ArrayList<TestCase>> tcSubLists = new ArrayList<>();
            for (int i = 0; i < numThreads; i++) {
                tcSubLists.add(new ArrayList<TestCase>());
            }

            int i = 0;
            for (TestCase tc : tcList) {
                tcSubLists.get(i).add(tc);
                i++;
                if (i == numThreads) {
                    i = 0;
                }
            }

            //run each sublist in its own thread
            ArrayList<Thread> threadList = new ArrayList<>();
            int ref = 1;
            for (ArrayList<TestCase> tcl : tcSubLists) {
                TestCaseSolver tcs = new TestCaseSolver(tcl, ref);
                Thread h = new Thread(tcs);
                threadList.add(h);
                h.start();
                ref++;
            }

            //wait for completion
            for (Thread h : threadList) {
                try {
                    h.join();
                } catch (InterruptedException ex) {
                    Utils.die("InterruptedException waiting for threads");
                }
            }

        }

        TestCaseIO.writeSolutions(tcList, outfile);
        
        double totalTime = 0;
        for (TestCase tc : tcList) {
            totalTime += tc.getTime();
        }
        double avTime = totalTime / (double)tcList.size();
        Utils.sout("Total compute time " + String.format("%.2f", totalTime) + " secs.");
        Utils.sout("Average compute time " + String.format("%.2f", avTime) + " secs.");
        Utils.sout("Done.");
    }

    public static void test() {

    }
}
