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.Scanner;

public class B {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		for (int k = 0; k < t; k++) {
			int n = sc.nextInt();
			int s = sc.nextInt();
			int p = sc.nextInt();

			int smin = p + (p - 2) + (p - 2);
			int smax = p + (p - 2) + (p - 1);

			smin = smin < 0 ? 0 : smin;
			smax = smax < 0 ? 0 : smax;

			int count = 0;
			int allow = s;
			for (int i = 0; i < n; i++) {
				int v = sc.nextInt();
				if (p == 0) {
					count++;
					continue;
				}
				
				if (v < p)
					continue;

				else if (smin == v || smax == v) {
					if (allow > 0) {
						count++;
						allow--;
					}
				} else if (v > smax) {
					count++;
				}
			}
			System.out.println("Case #" + (k + 1) + ": " + count);
		}

	}
}
