/*
 * 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 DancingWithTheGooglers{
   public static void main(String[] args) throws Exception{
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      Formatter formatter = new Formatter(System.out);
      int T = Integer.parseInt(br.readLine());
      String[] dataStr;
      int[] data;
      int lineNum=1;
      while(T-->0){
	 dataStr = br.readLine().split("\\s");
	 data=new int[dataStr.length-3];
	 for(int i=0;i<data.length;i++){
	    data[i]=Integer.parseInt(dataStr[i+3]);
	 }
	 formatter.format("Case #%d: %d\n",lineNum++, solve(Integer.parseInt(dataStr[0]),Integer.parseInt(dataStr[1]), Integer.parseInt(dataStr[2]),data));
      }
      formatter.close();
   }
   private static int solve(int N, int S,int p, int[] dances){
      int best=0;
      int maybe=0;
      int div3=0;
      for(int i=0;i<N;i++){
	 div3=dances[i]/3;
	 if(div3>=p || (div3==p-1 && dances[i] % 3>=1)) {
	    best++;
	    continue;
	 }
	 if((div3 == p - 1 && div3>=1) || (div3==p-2 && dances[i]%3==2)){
	    maybe++;
	    continue;
	 }
      }
      return best+Math.min(S,maybe);
   }
}
