/*
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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.Scanner;


public class P2 {
	public static void main(String[] args) { 
		Scanner scan = new Scanner(System.in); 
		int t = Integer.parseInt(scan.nextLine());
		for (int i = 0; i < t; i++) { 
			String[] a = scan.nextLine().split(" ");
			int n = Integer.parseInt(a[0]); 
			int s = Integer.parseInt(a[1]); 
			int p = Integer.parseInt(a[2]);
			int count = 0;
			
			int[] scores = new int[a.length-3];
			for (int j = 0; j < scores.length; j++) { 
				scores[j] = Integer.parseInt(a[j + 3]);
			}
			
			for (int j = 0; j < scores.length; j++) { 
				int result = oneApart(scores[j]);
				if (result >= p) { 
					count += 1;
				} else if (scores[j] != 0 && scores[j] % 3 != 1 && result == p - 1 && s > 0) { 
					count += 1;
					s -= 1;
				}
			}
			System.out.println("Case #" + (i+1) + ": " + count);
		}
	}
	
	public static int oneApart(int a) { 
		if (a % 3 == 0) { 
			return a / 3;
		} else if (a % 3 == 1) { 
			return (a-1)/3 + 1; 
		} else if (a % 3  == 2) { 
			return (a-2)/3 + 1;
		}
		return -1;
	}
}
