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.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Round {
	private int num;
	private int strange;
	private int max;
	private List<Integer> dancers;
	private int best;
	
	public Round(Scanner data){
		best = 0;
		dancers = new ArrayList<Integer>();
		num = data.nextInt();
		strange = data.nextInt();
		max = data.nextInt();
		for(int i = 0; i < num; i++){
			dancers.add(data.nextInt());
		}
	}
	
	public int calculate(){
		for(int dancer: dancers){
			if(max * 3 <= dancer){
				best++;
			}else if(dancer >= max){
				int score1 = max;
				int temp = dancer - max;
				int score2 = temp / 2;
				if(score1 - score2 == 1){
					best++;
				}else if(score1 - score2 == 2 && strange > 0){
					best++;
					strange--;
				}
			}
		}
		return best;
	}
}
