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;
    }
}


import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.InputStreamReader;


public class Program {

	/**
	 * @param args
	 */
	public static void main1(String[] args) {
	
		Speaking_in_Tongues sit=new Speaking_in_Tongues();
		sit.initialize();
		sit.register("our language is impossible to understand", "ejp mysljylc kd kxveddknmc re jsicpdrysi");
		sit.register("there are twenty six factorial possibilities", "rbcpc ypc rtcsra dkh wyfrepkym veddknkmkrkcd");
		sit.register("so it is okay if you want to just give up", "de kr kd eoya kw aej tysr re ujdr lkgc jv");		
		
		for(char o='a';o<= 'z';o++)
		{
			System.out.print(sit.map[o]);
		}
		
		try {
			FileWriter fileWriter=new FileWriter("A-small-attempt0.out");
			FileReader fileReader=new FileReader("A-small-attempt0.in");
			BufferedReader in = new BufferedReader(fileReader);

			int T= Integer.parseInt(in.readLine());
			for(int t=1;t<=T;t++)
			{
				String translated=in.readLine();
				String normal= sit.Solve(translated);
				fileWriter.write("Case #"+t+": "+normal+"\n");
			}
			fileWriter.close();
			fileReader.close();	
		} catch (Exception e) {
			System.out.println("Error! Exception: "+e); 
		}
		

	}
	
	public static void main(String[] args) {
		
		try {
			FileWriter fileWriter=new FileWriter("B-large.out");
			FileReader fileReader=new FileReader("B-large.in");
			BufferedReader in = new BufferedReader(fileReader);

			int T= Integer.parseInt(in.readLine());
			for(int t=1;t<=T;t++)
			{
				String[] tokens= in.readLine().split(" ");
				int N= Integer.parseInt(tokens[0]);
				int[] values=new int[N];
				int S= Integer.parseInt(tokens[1]);
				int p= Integer.parseInt(tokens[2]);
				
				for(int n=0;n<N;n++)
				{
					values[n]= Integer.parseInt(tokens[n+3]);
				}
				
				Dancing_With_the_Googlers d=new Dancing_With_the_Googlers();				

				int result=d.solve(S, p, values);
				
				int result1=d.solve1(S, p, values);
				
				/*
				if(result!=result1)
				{
					System.out.println(t);
				}
				*/
				fileWriter.write("Case #"+t +": " +result+"\n");
				
			}
			fileWriter.close();
			fileReader.close();	
		} catch (Exception e) {
			System.out.println("Error! Exception: "+e); 
		}
		
		
	}

}
