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.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Dancers {
    
    public static void main(String[] args) throws FileNotFoundException
    {
        FileInputStream file = new FileInputStream("C:\\Users\\Taghi\\Downloads\\B-large.in");
        DataInputStream in2 = new DataInputStream(file);
        Scanner in=new Scanner(new InputStreamReader(in2));
        int numberOfTests=in.nextInt();
        int[] results=new int[numberOfTests];
        for (int i=0;i<numberOfTests;i++)
        {
            int counter=0;
            int numberOfGooglers=in.nextInt();
            int N=in.nextInt();
            int p=in.nextInt();
            int j=0;
		while (j < numberOfGooglers) {
                    int score=in.nextInt();
			if (score < (3*p - 4)||score<p) {}
			else if (score <= (3*p - 3)) {
				if (N > 0) {
					counter++;
					N--;
				}
			}
			else {
				counter++;
			}
			j++;
		}
            results[i]=counter;
        }
        
        for (int i=0;i<numberOfTests;i++)
        {
            System.out.println("Case #"+(i+1)+": "+results[i]);
        }
    }
}
