import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


package Problem2;


	import java.io.BufferedReader;
	import java.io.BufferedWriter;
	import java.io.FileInputStream;
	import java.io.FileWriter;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.PrintWriter;
	import java.util.ArrayList;



		class FileReader{
				
			public static ArrayList<String> Parsefile(String filename){
				String chaine="";
				String fichier =filename; 

				try{
					InputStream ips=new FileInputStream(fichier); 
					InputStreamReader ipsr=new InputStreamReader(ips);
					BufferedReader br=new BufferedReader(ipsr);
					String ligne;
					int j=0;
					ArrayList<String> ArS_lines = new ArrayList<String>();
					
					while ((ligne=br.readLine())!=null){
						System.out.println(ligne);
						if (j>=1)
						ArS_lines.add(ligne);
						j++;
					}		
					br.close(); 
					
					return ArS_lines;
					
				}		
				catch (Exception e){
					return null;
				}
				
			}
			
			public static void writeconfig(String destinationfilename , ArrayList<String> ArS) {
				try {
					
					FileWriter fw = new FileWriter (destinationfilename);
					BufferedWriter bw = new BufferedWriter (fw);
					PrintWriter fichierSortie = new PrintWriter (bw); 
					int i;
					int n = ArS.size();
					
					for (i=0;i<n;i++){	
					fichierSortie.println("Case #"+(i+1)+":" + " "+ ArS.get(i)); 
					}
					
					fichierSortie.close();
					
				}
				
				catch (Exception e){
					System.out.println(e.toString());

				}	
			}
			
			public static void writeconfig(String destinationfilename , int[] ArS) {
				try {
					
					FileWriter fw = new FileWriter (destinationfilename);
					BufferedWriter bw = new BufferedWriter (fw);
					PrintWriter fichierSortie = new PrintWriter (bw); 
					int i;
					int n = ArS.length;
					
					for (i=0;i<n;i++){	
					fichierSortie.println("Case #"+(i+1)+":" + " "+ ArS[i]); 
					}
					
					fichierSortie.close();
					
				}
				
				catch (Exception e){
					System.out.println(e.toString());

				}	
			}
			

		}

