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 er.dream.codejam.helpers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;

public class FileHandler {

	BufferedReader read;
	BufferedWriter write;
	
	public File[] listFiles(){
		return new File("data").listFiles();
	}
	
	public void loadFile(File file){
		try {
			read = new BufferedReader(new FileReader(file));
			write = new BufferedWriter(new FileWriter(new File("output/"+file.getName().replace(".in", ".out"))));
		} catch (IOException e) {
			throw new IllegalStateException("Couldn't load file: "+file.getName(),e);
		}
	}
	
	public void closeConnection(){
		try {
			read.close();
			write.close();
		} catch (IOException e) {
			throw new IllegalStateException("Couldn't close connection",e);
		}
	}
	
	public void writeOutput(List<String> outputData){
		int line = 1;
		for(String entry:outputData){
			try {
				write.write("Case #"+line+": "+entry+"\n");
			} catch (IOException e) {
				throw new IllegalStateException("Error while writing output",e);
			}
			line++;
		}
	}
	
	public String readString(){
		try {
			return read.readLine();
		} catch (IOException e) {
			throw new IllegalStateException("Error while reading input",e);
		}
	}
	
	public int readInt(){
		return Integer.parseInt(readString());
	}
	
	public long readLong(){
		return Long.parseLong(readString());
	}
	
	public double readDouble(){
		return Double.parseDouble(readString());
	}
	
	public String[] readStringArray(){
		return readString().split(" ");
	}
	
	public int[] readIntArray(){
		String[] strings = readStringArray();
		int[] ints = new int[strings.length];
		for(int i=0;i<ints.length;i++)
			ints[i] = Integer.parseInt(strings[i]);
		return ints;
	}
	
	public long[] readLongArray(){
		String[] strings = readStringArray();
		long[] longs = new long[strings.length];
		for(int i=0;i<longs.length;i++)
			longs[i] = Integer.parseInt(strings[i]);
		return longs;
	}
	
	public double[] readDoubleArray(){
		String[] strings = readStringArray();
		double[] doubles = new double[strings.length];
		for(int i=0;i<doubles.length;i++)
			doubles[i] = Integer.parseInt(strings[i]);
		return doubles;
	}
	
}
