import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}



import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;



public class DancingWithGooglers{
	public static void main(String[] args) throws IOException{
		String testCases;
		//BufferedReader brTestCases = new BufferedReader(new InputStreamReader(System.in));
		File inFile = new File("C:/Users/AbhilashR/Downloads/B-large.in" ); 
		Scanner sc = new Scanner(inFile);
		testCases = sc.nextLine();//(String)brTestCases.readLine();
		Integer noOfTestCases = null;
		try{
			noOfTestCases = Integer.parseInt(testCases);
		}catch (NumberFormatException e){
			System.out.println("The entered value is not a Number");
		}
		ArrayList<String> inputData = new ArrayList<String>();
		for(int i =0;i<noOfTestCases;i++){
			//for line by line input
			//brTestCases = new BufferedReader(new InputStreamReader(System.in));
			testCases = sc.nextLine();//(String)brTestCases.readLine();
			inputData.add(testCases);
		}
		ArrayList<Object[]> inputDataObj = new ArrayList<Object[]>();
		for(int i =0;i<inputData.size();i++){
			inputDataObj.add(inputData.get(i).split(" "));
		}
		for(int i =0;i < inputDataObj.size();i++){
			Object[] dataObj = inputDataObj.get(i);
			int numberOfEmployees = Integer.parseInt((String)dataObj[0]);
			int numberOfSurprisingTriplets = Integer.parseInt((String)dataObj[1]);
			int minimumBestResult = Integer.parseInt((String)dataObj[2]);
			int numberOfPeopleWithMinimumBest = 0;
			List<Integer> scoreList = new ArrayList<Integer>();
			for(int j = 0; j< numberOfEmployees; j++){
				scoreList.add(Integer.parseInt((String)dataObj[j+3]));
			}
			Collections.sort(scoreList);
			for(int j =0;j<scoreList.size();j++){
				int totScore = scoreList.get(j);
				if((totScore%3)>0){
					if(totScore%3 == 1){
						if(totScore/3 >= minimumBestResult){
							numberOfPeopleWithMinimumBest++;
						}else if(1+totScore/3 >= minimumBestResult){
							numberOfPeopleWithMinimumBest++;
						}
					}else if(totScore%3 == 2){
						if(totScore/3 >= minimumBestResult){
							numberOfPeopleWithMinimumBest++;
						}else if(1+totScore/3 >= minimumBestResult){
							numberOfPeopleWithMinimumBest++;
						}else if(2+totScore/3 >= minimumBestResult && numberOfSurprisingTriplets >0){
							numberOfPeopleWithMinimumBest++;
							numberOfSurprisingTriplets--;
						}
					}
				}else{
					if(totScore/3 >= minimumBestResult){
						numberOfPeopleWithMinimumBest++;
					}else if(1+totScore/3 >= minimumBestResult && numberOfSurprisingTriplets >0 && totScore !=0){
						numberOfPeopleWithMinimumBest++;
						numberOfSurprisingTriplets--;
					}
				}
			}
			System.out.println("Case #"+(i+1)+": "+numberOfPeopleWithMinimumBest);
		}
	}
	
}