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.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class Dancers {
	
	public static void main(String args[]) throws IOException {
		Scanner s = new Scanner(new File("D:\\input2.txt"));
		FileWriter fo = new FileWriter(new File("D:\\workspace\\GC12\\src\\output2.txt"));
		int num = s.nextInt();
		for(int i = 1; i<= num; i++) {
			fo.write("Case #" + i + ": ");
			int nd = s.nextInt();
			int ns = s.nextInt();
			//System.out.println("\n"+ i + " - " + nd + " , "+ ns);

			int p = s.nextInt();
			int aHigh = Math.max(p, 0) + Math.max(p-1, 0) + Math.max(p-1, 0);
			int surpScore = Math.max(p, 0) + Math.max(p-2, 0) + Math.max(p-2, 0);
			int bScore = 0;
			int canSurprise = 0;
			for(int j = 1; j<=nd; j++) {
				int score = s.nextInt();
				//System.out.print(score + " - ");
				if (score == 0) {
					continue;
				}
				if (score >= aHigh) {
					bScore ++;
				} else if(score >= surpScore) {
					canSurprise ++;
				}
			}
			if (canSurprise < ns) {
				bScore += canSurprise;
			} else {
				bScore += ns;
			}
			if(p==0) {
				fo.write(nd + "\n");
			} else {
				fo.write(bScore + "\n");
			}
		}
			fo.close();
			s.close();
	}
}
