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 test;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.FileWriter;
import java.io.IOException;
import java.math.*;

public class case2 {
	
	public static void main(String[] args){
	try {
	FileReader is_reader= new FileReader("C:\\Users\\Paul\\Downloads\\B-large.in");
	BufferedReader reader = new BufferedReader(is_reader);
	FileWriter out_writer = new FileWriter("c:\\output.txt");
	int T = common.readInt(reader);
	int result;
	String sResult = "";
	
	for (int i=0;i<T;i++){
		int input[] = common.readInt(reader, " ");
		int N = input[0];
		int S = input[1];
		int p = input[2];
		int L1 = 3*p-2;
		int L2 = Math.max(1, 3*p-4);
		result = 0;
		for(int j=0;j<N;j++){
			if (input[j+3]>=L1)
				result++;
			else if (input[j+3]<L1&&input[j+3]>=L2&&S>0){
				result++;
				S--;
			}
		}
		sResult+="Case #" + (i+1)+": "+result+"\n";
		
	}
	System.out.print(sResult);
	out_writer.write(sResult);
	out_writer.flush();
	}
	catch (Exception e){
		
		
	}
	
	}
}
