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 IO;

import java.util.ArrayList;

/**
 *
 * @author dannocz
 */
public class Input {
    
    private int noTestCases;
    private ArrayList<TestCase> testCases;
   //private ArrayList<String> resultCases;

    public int getNoTestCases() {
        return noTestCases;
    }

    public void setNoTestCases(int noTestCases) {
        this.noTestCases = noTestCases;
    }

    public Input(int noTestCases, ArrayList<String> cases) {
        this.noTestCases = noTestCases;
        this.testCases= new ArrayList<TestCase>();
        for (String case1 : cases) {
            testCases.add(new TestCase(case1));
        }
        
       // this.resultCases= new ArrayList<>();
    }

//    public ArrayList<String> getResultCases() {
//        return resultCases;
//    }
//
//    public void setResultCases(ArrayList<String> resultCases) {
//        this.resultCases = resultCases;
//    }
//    
//    public void addResultCase(String result) {
//        this.resultCases.add(result);
//    }

    
    public void printResultCases(){
        for (int i = 0; i < testCases.size(); i++) {
            String result=testCases.get(i).result()+"";
            FileManagerGUI.log.append("Case #"+(i+1)+": "+result+"\n");
            System.out.println("Case #"+(i+1)+": "+result);
        }
    }
    
    
}
