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.*;
import java.util.*;
public class Main
{
	public static void main(String[] args)throws IOException
	{
		new Main().start();
	}
	public void start()throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st;
		int test=Integer.parseInt(br.readLine());
		int ind=1;
		
		while(test-->0)
		{
			st=new  StringTokenizer(br.readLine());
			int ans=0;
			int N=Integer.parseInt(st.nextToken());
			int S=Integer.parseInt(st.nextToken());
			int p=Integer.parseInt(st.nextToken());
			int totalScore[]=new int[N];
			for(int i=0;i<N;i++)
			{
				totalScore[i]=Integer.parseInt(st.nextToken());
			}
			if(p==0)
			{
				ans=N;
				System.out.println("Case #"+ind+": "+ans);
				ind++;
				continue;
			}
			if(p==1)
			{
				ans=0;
				for(int i=0;i<N;i++)
					if(totalScore[i]!=0)
						ans++;
				System.out.println("Case #"+ind+": "+ans);
				ind++;
				continue;
			}
			Arrays.sort(totalScore);
			boolean cons[]=new boolean[N];
			int max=3*p-4;
			for(int i=0;i<N && S>0;i++)
			{
				if(totalScore[i]>=max)
				{
					ans++;
					cons[i]=true;
					S--;
				}
			}
			max=3*p-2;
			for(int i=0;i<N;i++)
			{
				if(totalScore[i]>=max && !cons[i])
					ans++;
			}
			System.out.println("Case #"+ind+": "+ans);
			ind++;
		}
	}
}