/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package IO;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

import java.io.File;
import java.util.Arrays;
import java.util.Scanner;


public class ProblemB {

	public static void main(String[] args) throws Exception {
		
		Scanner leitor = new Scanner(new File("problemBTest.in"));
		int n = leitor.nextInt(); leitor.nextLine();
		for (int i = 0; i < n; i++) {
			int dancers = leitor.nextInt();
			int surp = leitor.nextInt();
			int min = leitor.nextInt();
			int notas[] = new int[dancers];
			for (int j = 0; j < dancers; j++) {
				notas[j] = leitor.nextInt();
			}
			leitor.nextLine();
			Arrays.sort(notas);
			
			int resultado = 0;
			
			int j = 0;
			for (j = dancers-1; j >=0; j--) {
				if (notas[j] > (3 * (min-1))) {
					resultado++;
				} else {
					break;
				}
			}
			
			while (surp > 0 && j >= 0) {
				if ((min-2) >= 0) { 
					if (((notas[j] - min - (min-2)) >= (min-2)) &&
						((notas[j] - min - (min-2)) < (min+2))	) {
						resultado++;
						surp--;
					}
				}
				j--;
			}
			System.out.println("Case #" + (i+1) + ": " + resultado);
		}
	}

}
