import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}

import java.util.*;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.PrintWriter;
import java.io.IOException;

public class B {
	static Scanner fin = null;
	static PrintWriter fout = null;
	static String fname = "B-small";

	public static void main (String[] args) throws IOException {
		try {
			fin = new Scanner(System.in);
			fout = new PrintWriter(new FileWriter(fname + ".out"));

			int T = fin.nextInt();
			String s0 = fin.nextLine();

			for (int i = 1; i <= T; i++) {
				String s = fin.nextLine();
				String tokens[] = s.split(" ");
				int scores = Integer.parseInt(tokens[0]);
				int suprising = Integer.parseInt(tokens[1]);
                int target = Integer.parseInt(tokens[2]);
                int ok = 0;
                int possible = 0;
                for (int j = 0; j < scores; j++) {
                    int cur = Integer.parseInt(tokens[3 + j]);
                    if (cur >= target + 2 * Math.max(target - 1, 0)) {
                        ok++;
                    } else if (cur >= target + 2 * Math.max(target - 2, 0)) {
                        possible++;
                    }
                }

				System.out.println("Case #" + i + ": " + (ok + Math.min(suprising, possible)));
			}
		} finally {
			fin.close();
			fout.close();
		}
	}
}
