/*
 * To change this template, choose Tools | Templates
 * 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.*;
import java.io.*;

public class DancingGooglers {

	public static void main(String[] args){
		Scanner in = new Scanner(System.in);
		int count = in.nextInt(); 
		//in.nextLine();
		for(int i=0;i<count;i++){
			int N=in.nextInt();
			int s=in.nextInt();
			int p=in.nextInt();
			int scores[]=new int[N];
			for(int j=0;j<N;j++){
				scores[j]=in.nextInt();
			}
			int max=processOneCase(N,s,p,scores);
			System.out.println("Case #"+(i+1)+": "+max);
		}
		
		
	}
	public static int processOneCase(int N,int s,int p,int[] scores){
		int max=0;
		for(int i=0;i<N;i++){
			int score=scores[i];
			double avg=(double)score/3.0;			
			if(avg>p-1){
				//System.out.println("case 1");
				max++;
			}
			else if(score/3 == p-1 && s!=0){
				if(!(score==0 && p==1))
				{					
				s--;
				max++;
				//System.out.println("case 2");
				}
			}
			else if(avg>p-2 && avg <p-1 && s!=0){
				if(score-3*(score/3) == 2)
				{
					s--;
					max++;
					//System.out.println("case 3");
				}
			}
		}
		
		return max;
	}
	
}
