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.util.*;
import java.io.*;

public class DancingGooglers {

	public static void main(String[] args){
		Scanner in = new Scanner(System.in);
		int count = in.nextInt(); 
		//in.nextLine();
		for(int i=0;i<count;i++){
			int N=in.nextInt();
			int s=in.nextInt();
			int p=in.nextInt();
			int scores[]=new int[N];
			for(int j=0;j<N;j++){
				scores[j]=in.nextInt();
			}
			int max=processOneCase(N,s,p,scores);
			System.out.println("Case #"+(i+1)+": "+max);
		}
		
		
	}
	public static int processOneCase(int N,int s,int p,int[] scores){
		int max=0;
		for(int i=0;i<N;i++){
			int score=scores[i];
			double avg=(double)score/3.0;			
			if(avg>p-1){
				//System.out.println("case 1");
				max++;
			}
			else if(score/3 == p-1 && s!=0){
				if(!(score==0 && p==1))
				{					
				s--;
				max++;
				//System.out.println("case 2");
				}
			}
			else if(avg>p-2 && avg <p-1 && s!=0){
				if(score-3*(score/3) == 2)
				{
					s--;
					max++;
					//System.out.println("case 3");
				}
			}
		}
		
		return max;
	}
	
}
