/*
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 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

import java.util.*;

class QB{

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int kase = sc.nextInt();
		for(int k = 1; k<=kase; k++){
			int N = sc.nextInt();
			int S = sc.nextInt();
			int p = sc.nextInt();
			int[] tots = new int[N];
			for(int i = 0; i<N; i++)tots[i] = sc.nextInt();
			Arrays.sort(tots);
			int i = tots.length;//index of last reasonable score.
			while(i>0 && tots[i-1]>=(3*p-2)) i--;
			int j = 0;
			if(p!=1){
			 while(i>0 && tots[i-1]>= 3*p-4 && j<S){i--;j++;}
			}
			System.out.println("Case #"+k+": "+(N-i));
		}
	}
}
