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 uk.co.epii.codejam.common;

import java.util.ArrayList;

/**
 *
 * @author jim
 */
public class Input {
    
    private final String[] header;
    private final String[] data;

    public Input(ArrayList<String> lines, int header) {
        int size = lines.size();
        this.header = new String[header];
        this.data = new String[size - header];
        for (int i = 0; i < size; i++) {
            String line = lines.get(i);
            if (i < header)
                this.header[i] = line;
            else
                this.data[i - header] = line;
        }
    }

    public String[] getHeader() {
        return header;
    }

    public String[] getData() {
        return data;
    }
    
}
