/*
 * 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.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;



public class BDancingWithTheGooglers {
	
	static int dance(int n, int s, int p, int[] tot) {
		int count = 0;
		int countSurprise = 0;
		int min = p + 2*Math.max(0, p - 1);
		int minSurprise = p + 2*Math.max(0, p - 2);
		for(int i = 0; i < n; ++i) {
			if(tot[i] >= min) {
				++count;
				continue;
			}
			if(tot[i] >= minSurprise && countSurprise < s) {
				++count;
				++countSurprise;
			}
		}
		
		return count;
	}
	
	public static void main(String[] args) throws NumberFormatException, IOException {
		String filename = "B-large.in";
		BufferedReader r = new BufferedReader(new FileReader(filename));
		int t = Integer.parseInt(r.readLine());
		PrintWriter p = new PrintWriter("b.out");
		for(int i = 0; i < t; ++i) {
			String[] test = r.readLine().split(" ");
			int n = Integer.parseInt(test[0]);
			int s = Integer.parseInt(test[1]);
			int pp = Integer.parseInt(test[2]);
			int[] tot = new int[n];
			for(int a = 0; a < n; ++a) {
				tot[a] = Integer.parseInt(test[3 + a]);
			}
			int j = i + 1;
			p.println("Case #" + j + ": " +  dance(n, s, pp, tot));
			
		}
		p.flush();
		p.close();
	}

}
