import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public class Dancing {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		// read input file
		File file = new File("B-small-attempt4.in");
		//File file = new File("input.txt");
		BufferedReader br = new BufferedReader(new FileReader(file));
		String ln = "";
		int count = Integer.parseInt(br.readLine());

		// write output file
		File out = new File("outB.txt");
		BufferedWriter bw = new BufferedWriter(new FileWriter(out));
		
		int y = 0;
		for (int i=0; i < count; i++){
			ln = br.readLine();
			y = getY(ln);
			bw.write("Case #" + (i+1) + ": " + y);
			bw.newLine();
		}
		bw.close();
	}
	
	private static int getY(String str) {
		String[] data = str.split(" ");
		int n = Integer.parseInt(data[0]);
		int s = Integer.parseInt(data[1]);
		int p = Integer.parseInt(data[2]);
		int[] t = new int[n];
		for (int i=0; i < n; i++){
			t[i] = Integer.parseInt(data[i+3]);
		}
		int y = 0;
		int base = 0;
		for(int j=0; j < t.length; j++){
			base = t[j] / 3;
			if(base >= p) { y++; }
			else if(base == p-1){
				if(t[j] - (base+p) > base-1 && t[j] > 0){
					y++;
				} else if(s>0 && t[j] - (base+p) > base-2 && t[j] > 0){
					s -= 1;
					y++;
				}
			} else if(base == p-2){
				if(s > 0 && t[j] - (base+p) > base-1 && t[j] > 0){
					s -= 1;
					y++;
				}
			}
		}
		
		return y;
	}

}

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;


public class Main {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(new File("B-small-attempt0.in"));
		PrintWriter out = new PrintWriter("C:\\Users\\JiaKY\\Desktop\\out.txt");
		//Scanner in = new Scanner(System.in);
		
		int t = Integer.valueOf(in.nextLine());
		for(int ii=0;ii<t;ii++){
			String line = in.nextLine();
			String[] data = line.split(" ");
			
			int n = Integer.valueOf(data[0]);
			int s = Integer.valueOf(data[1]);
			int p = Integer.valueOf(data[2]);
			
			int[] score = new int[n];
			
			for(int i=0;i<n;i++){
				score[i] = Integer.valueOf(data[3+i]);
			}
			Arrays.sort(score);
			
			int ans = 0;
			for(int i=score.length-1;i>=0;i--){
				int valid = 3*p-2;
				if(p<2)
					valid = p;
				int min = 3*p-4;
				if(p <= 2)
					min = p;
				if(score[i] >= valid)
					ans++;
				else if(s > 0){
					if(score[i] >= min){
						ans++;
						s--;
						if(s == 0)
							break;
					}
				}
			}
			out.printf("Case #%d: %d",ii+1,ans);
			out.println();
			out.flush();
		}
		
	}

}