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.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;


public class R1Q2 {
	public static HashMap<String, String> wordMap;
	
	public static void main(String []args) throws NumberFormatException, IOException{
		BufferedReader bf = new BufferedReader(new FileReader(new File("input")));
		BufferedWriter bw = new BufferedWriter(new FileWriter(new File("output")));
		int num = Integer.parseInt(bf.readLine());
		for (int i = 1 ; i<=num; i++){
			int maxnum = 0;
			String line = bf.readLine();
			String[] argss =line.split(" ");
			int people = Integer.parseInt(argss[0]);
			int sup = Integer.parseInt(argss[1]);
			int p = Integer.parseInt(argss[2]);
			int []points = new int[people];
			int already = 0;
			int poss = 0;
			for (int j = 0; j < people; j++){
				points[j] = Integer.parseInt(argss[j+3]);
				if ((points[j]+2)/3 >= p) already++;
				else if ((points[j]+4)/3 >= p && points[j] >=p){
					poss ++;
				}
			}
			maxnum = already + (poss > sup?sup:poss);
			bw.write("Case #"+i+": "+maxnum+"\n");
		}
		bf.close();
		bw.close();
	}
}
