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.FileNotFoundException;
import java.util.List;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author Amya
 */
public class Dancing {
      public static void main(String args[]) throws FileNotFoundException{    
        List<String> lines = FileUtil.readFileByLine("input1");
        int records = Integer.parseInt(lines.get(0));
        int numOfGooglers = 0;
        int numOfSurprises = 0;
        int bestScore = 0;
        String[] nums = null;
        int eligiblesWithSurprise = 0;
        int eligiblesWithoutSurprise = 0;
        int onBorder = 0;
        int finalEligibles = 0;
        for(int i = 1; i<=records; i++){
            nums = lines.get(i).split(" ");
            numOfGooglers = Integer.parseInt(nums[0]);
            numOfSurprises = Integer.parseInt(nums[1]);
            bestScore = Integer.parseInt(nums[2]);
            for(int j=3 ; j<nums.length; j++){
                if(Integer.parseInt(nums[j])>=bestScore){
                    if(Integer.parseInt(nums[j])>=(bestScore*3 - 4)){
                        eligiblesWithSurprise ++;
                    }
                    if(Integer.parseInt(nums[j])>=(bestScore*3 - 2)){
                        eligiblesWithoutSurprise ++;
                    }
                }
            }
            
            finalEligibles = eligiblesWithoutSurprise;
            
            onBorder = eligiblesWithSurprise - eligiblesWithoutSurprise;
            if(onBorder > numOfSurprises){
                finalEligibles += numOfSurprises;
            }else{
                finalEligibles += onBorder;
            }
            
            if(i == records)
                FileUtil.writeOutput("Case #"+i+": "+finalEligibles, true);
            else
                FileUtil.writeOutput("Case #"+i+": "+finalEligibles, false);
            
            eligiblesWithSurprise = 0;
            eligiblesWithoutSurprise = 0;
        }
      }
}
