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 static java.lang.Math.*;
import static java.util.Arrays.*;
import java.io.*;
import java.util.*;

public class B {
	Scanner sc = new Scanner(System.in);
	
	int N, S, p;
	int[] ts;
	
	void read() {
		N = sc.nextInt();
		S = sc.nextInt();
		p = sc.nextInt();
		ts = new int[N];
		for (int i = 0; i < N; i++) ts[i] = sc.nextInt();
	}
	
	void solve() {
		int res = 0;
		for (int i = 0; i < N; i++) {
			if (p * 3 - 2 <= ts[i]) res++;
			else if (p <= ts[i] && p * 3 - 4 <= ts[i] && S-- > 0) res++;
		}
		System.out.println(res);
	}
	
	void run() {
		int caseN = sc.nextInt();
		for (int caseID = 1; caseID <= caseN; caseID++) {
			read();
			System.out.printf("Case #%d: ", caseID);
			solve();
			System.out.flush();
		}
	}
	
	void debug(Object...os) {
		System.err.println(deepToString(os));
	}
	
	public static void main(String[] args) {
		try {
			System.setIn(new BufferedInputStream(new FileInputStream(args.length > 0 ? args[0] : (B.class.getName() + ".in"))));
		} catch (Exception e) {
		}
		new B().run();
	}
}
