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;
    }
}


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

import java.io.*;
import java.util.*;
import java.util.concurrent.*;

/**
 *
 * @author ken
 */
public class CommandLine {

    public static void main(String args[]) throws Exception {
        Parser parser = new DancingParser();

        ExecutorService executor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
        //ExecutorService executor = Executors.newFixedThreadPool(1);

        for (String file : args) {
            Map<Integer, Callable<String>> tests = parser.parse(file);

            Map<Integer, String> results = new ConcurrentSkipListMap<Integer, String>();
            List<Future<String>> futures = executor.invokeAll(createCommands(results, tests));

            for (Future<String> future : futures) {
                if (future.get() == null) {
                    System.err.println("Failed on test of " + file);
                    break;
                }
            }

            final String outputFile = changeExtension(file, ".out");
            PrintStream out = new PrintStream(new FileOutputStream(outputFile));
            for (Map.Entry<Integer, String> entry : results.entrySet()) {
                out.println(entry.getValue());
                System.out.println(tests.get(entry.getKey()) + " ===> " + entry.getValue());
            }


            System.out.println("Results in " + outputFile);
        }

        executor.shutdown();
    }
    
    public static Collection<Callable<String>> createCommands(Map<Integer, String> results, Map<Integer, Callable<String>> tests) {
        List<Callable<String>> retval = new ArrayList<Callable<String>>();
        
        for (Map.Entry<Integer, Callable<String>> entry : tests.entrySet()) {
            retval.add(new CommandLine.Command(entry.getKey(), entry.getValue(), results));            
        }
        
        return retval;
    }
    
    private static class Command implements Callable<String> {
        private final int testID;
        private final Callable<String> test;
        private final Map<Integer, String> results;

        private Command(int testID, Callable<String> test, Map<Integer, String> results) {
            this.testID = testID;
            this.test = test;
            this.results = results;
            
        }
        public String call() throws Exception {
            try {
                final String retval = test.call();
                results.put(testID, retval);
                return retval;
            } catch (Exception e) {
                System.err.println("Exception during test case " + testID);
                e.printStackTrace();
            }
            
            return null;
        }    
    }
    
    static String changeExtension(String originalName, String newExtension) {
        int lastDot = originalName.lastIndexOf(".");
        if (lastDot != -1) {
            return originalName.substring(0, lastDot) + newExtension;
        } else {
            return originalName + newExtension;
        }
    }
}
