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.FileNotFoundException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;


public class B {


	public static void main(String[] args){


		String in ="large.txt";
		String out = "output.txt";
		Scanner sc;
		String answers[]=new String[3];
		try {
			sc = new Scanner(new File(in));
			int T = sc.nextInt();
			//System.out.println(sc.nextLine());
			sc.nextLine();
			answers = new String[T];
			for(int zz =0;zz<T;zz++)
			{
				int  N = sc.nextInt();
				int  S = sc.nextInt();
				int  p = sc.nextInt();
				int[] score = new int[N];
				int pMinSurprised,pMinNoSurprised;
				if(p==1){
					pMinSurprised = 1;
					pMinNoSurprised = 1;
				}
				else if(p==0){
					pMinSurprised = 0;
					pMinNoSurprised = 0;
				}
				else{
					pMinSurprised = p * 3 - 4;
					pMinNoSurprised = p * 3 - 2;
				}
				int nbSurprised = 0;
				int googlers = 0;

				for(int i =0;i<N;i++)
				{
					score[i] = sc.nextInt();
					if(score[i]>=pMinNoSurprised)
						googlers++;
					else if(score[i]>=pMinSurprised)
						nbSurprised++;
				}
				if(nbSurprised>S)
					googlers+=S;
				else
					googlers+=nbSurprised;
				int z = zz+1;
				answers[zz]="Case #"+z+": "+googlers+"\n";

			}




		} 
		catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		try
		{
			PrintWriter pw = new PrintWriter(out);
			for(int i=0;i<answers.length;i++)
				pw.println(answers[i]);
			pw.close();	

		}
		catch (Exception e){
			System.out.println(e.toString());
		}



	}

}
