/*
 * 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.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class pro2 {

	private static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

	public static void main ( String [] args ) throws IOException
	{
	int N = Integer.parseInt(br.readLine());

	for(int i = 0;i < N; i++)
	System.out.println("Case #" + (i+1) + ": " + cal());
	}

	private static String cal() throws IOException {
		String[] buffer = br.readLine().split("\\s");
		int p=Integer.parseInt(buffer[2]);
		int winner=0;
		int s=Integer.parseInt(buffer[1]);
		int tempS=0;
	
		
		for(int i=0;i<Integer.parseInt(buffer[0]);i++){
			int score=Integer.parseInt(buffer[i+3]);
			if(score%3==0){
			    if(p<=(score/3))
				winner++;
							    
			    else if(p<=(score/3)+1 && tempS<s && (score/3)-1>=0){
				winner++;
				tempS++;
			    }
			}
			
			if(score%3==1)
			    if(p<=(score/3)+1)
				winner++;
		
			if(score%3==2){
			    if(p<=(score/3)+1)
			       winner++;

			    else if(p<=(score/3)+2 && tempS<s){
				winner++;
				tempS++;}
			    
			}				
		}
			

	return Integer.toString(winner);
	}

}