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.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;


public class R1P2 {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception{

		BufferedReader in = new BufferedReader(new FileReader("B-large.in"));
		BufferedWriter bw = new BufferedWriter(new FileWriter("large2.out"));
		String inLine;
		int t = Integer.parseInt(in.readLine());
		int counter = 0;
		while((inLine = in.readLine()) != null){
			counter++;
			int n, s, p;
			String[] toks = inLine.split(" ");
			n = Integer.parseInt(toks[0]);
			s = Integer.parseInt(toks[1]);
			p = Integer.parseInt(toks[2]);
			//System.out.println(n+ " " + s + " " + p);
			int j1 = p;
			int j2 = p - 1;
			int j3 = p - 2;
			if(j2 < 0) j2 = 0;
			if(j3 < 0) j3 = 0;
			int nTotal = j1 + j2 + j2;
			int sTotal = j1 + j3 + j3;
			//System.out.println(nTotal + " " + sTotal);
			int pos = 0;
			for(int i=3; i<toks.length; i++){
				int score = Integer.parseInt(toks[i]);
				if(score>=nTotal) pos++;
				else if(score >= sTotal && s > 0){
					pos++;
					s--;
				}
			}
			System.out.println("Case #" + counter + ": " + pos);
			bw.write("Case #" + counter + ": " + pos);
			bw.newLine();
			
		}
		in.close();
		bw.close();
	}

}
