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);
        }
    }
}

import java.io.FileInputStream;
import java.io.DataInputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.FileWriter;
import java.io.BufferedWriter;
//import java.util.ArrayList;


public class Min_Scale_Prod {
	public static void main(String[] args){
		try{
			String inputFileName = "B-small-attempt3.in";
			String outputFileName = "B-small.out";
			FileInputStream fstream = new FileInputStream(inputFileName);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			FileWriter foutstream = new FileWriter(outputFileName);
			BufferedWriter out = new BufferedWriter(foutstream);
			String strLine;
			Helper help = new Helper();
			int counter = 0;
			while ((strLine = br.readLine()) != null)   {
				//Print the content to file
				if (counter == 0) {
					;
				} else {
					help.printResult(out, strLine, counter);
				}
				counter +=1;
			}
			//Close the output stream
			out.close();
		}catch (Exception e){//Catch exception if any
			System.err.println(e);
		}
	}
}
