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.Scanner;

public class surprisingTriplets
{
	 public static Scanner sc;
     
	
	public static void main(String args[]) throws IOException
	{
		Scanner sc = new Scanner(System.in);
		int numCasos = sc.nextInt();
		int numConcursants;
		int surprisingTriplets;
		int p;
		int resultat;
				
		int qt = 0;
		while(qt < numCasos)
		{
			numConcursants = sc.nextInt();
			surprisingTriplets = sc.nextInt();
			p = sc.nextInt();
			resultat = totalPoints(numConcursants,surprisingTriplets,p,sc);
			System.out.println("Case #"+(qt+1)+": "+resultat);
			qt++;
		}		
	}
	
	
	public static int totalPoints(int numConcursants, int surprisingTriplets, int p, Scanner sc)
	{
		int qt = 0;
		int bons=0;
		int votacio;
		
		int minimNormal;
		int minimSurprising;
		if(p > 1){	minimSurprising = p + (p-2) + (p-2); minimNormal = p + (p-1) + (p-1);}
		else if(p == 1){ minimSurprising = 1; minimNormal = 1;}
		else{ minimSurprising = 0; minimNormal = 0;}
			
		while(qt < numConcursants)
		{
			votacio = sc.nextInt();
			if(votacio >= minimNormal)
			{
				bons++;
			}
			else
			{
				if(votacio >= minimSurprising && surprisingTriplets > 0)
				{
					bons++;
					surprisingTriplets--;
				}
			}
			qt++;
		}
		return bons; 
	}
	
}