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.io.*;
import java.util.ArrayList;
import java.util.StringTokenizer;

public class B implements Runnable {
    private static BufferedReader reader;
    private static StreamTokenizer st;
    private static PrintWriter writer;

    public static void main(String[] args) {
        new Thread(new B()).start();
    }

    @Override
    public void run() {
        try {
            solve();
        } catch (IOException e) {}
    }

    private void solve() throws IOException {
        reader = new BufferedReader(new FileReader("b.in"));
        st = new StreamTokenizer(reader);
        writer = new PrintWriter(new FileWriter("b.out"));

        int n = nextInt();
        for (int i = 1; i <= n; i++) {
            int temp = countAns();
            writer.println("Case #" + i + ": " + temp);
        }

        reader.close();
        writer.close();
    }

    static String nextToken() throws IOException {
        st.nextToken();
        return st.sval;
    }

    static int nextInt() throws NumberFormatException, IOException {
        st.nextToken();
        return (int)st.nval;
    }

    private static int countAns() throws IOException{
        int n = nextInt();
        int s = nextInt();
        int p = nextInt();
        //writer.print(String.valueOf(n) + " " + String.valueOf(s) + " " + String.valueOf(p) + " ");

        ArrayList<Integer> num = new ArrayList<Integer>(n);
        int nonSurprisingNum = 0;
        for (int i = 0; i < n; i++) {
            int temp = nextInt();
            //writer.print(String.valueOf(temp) + " ");
            num.add(temp);
        }

        if (p == 0) return n;

        int nonSurprisingFrame = p + 2 * (p - 1);
        for (int i = 0; i < num.size(); i++) {
            int curNum = num.get(i);
            if (curNum >= nonSurprisingFrame) {
                nonSurprisingNum++;
                num.remove(i);
                i--;
            }
        }
        if (s == 0) return nonSurprisingNum;

        int surprisingFrame = Math.max(0, p + 2 * (p - 2));
        int len = num.size();
        int cnt = 0;
        while (s > 0 && cnt < len) {
            int curNum = num.get(cnt);
            if (curNum > 0 && curNum >= surprisingFrame) {
                s--;
                nonSurprisingNum++;
            }
            cnt++;
        }

        return nonSurprisingNum;
    }

}