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.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


public class Googlers {
	public static void main(String args[])throws IOException{
		Scanner scan = new Scanner(new File(System.getProperty("user.dir")+"/input.in"));
		FileWriter file = new FileWriter("output.out");
		int n=Integer.parseInt(scan.nextLine());
		for(int j=0;j<n;j++){
			int numGooglers = scan.nextInt();
			int totalSurprising = scan.nextInt();
			int p = scan.nextInt();
			int[] totals = new int[numGooglers];
			for(int i=0;i<numGooglers;i++){
				totals[i]=scan.nextInt();
			}
			int[] totalsMinus = new int[numGooglers];
			for(int i=0;i<numGooglers;i++){
				totalsMinus[i]=totals[i]-p;
			}
			int max =0;
			int surprising=0;
			for(int i=0;i<numGooglers;i++){
				if(totalsMinus[i]>=0&&p-(int)Math.floor(totalsMinus[i]/2)<=2){
					max++;
					if(p-(int)Math.floor(totalsMinus[i]/2)==2)
						surprising++;
				}
			}
			while(surprising>totalSurprising){
				surprising--;
				max--;
			}
			file.write("Case #"+Integer.toString(j+1)+": "+Integer.toString(max)+"\r\n");
		}
		file.close();
	}
}
