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.*;

public class QualB12 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int T = in.nextInt();

		for (int i = 1; i <= T; i++) {
			int N = in.nextInt();
			int S = in.nextInt();
			int p = in.nextInt();
			int g = 0;

			for (int j = 1; j <= N; j++) {
				int a = in.nextInt();
				if (a/3 >= p) ++g;
				else if (a/3 >= p-2) {
					if (a/3 == p-1) {
						if (a%3 == 2) {
							++g;
						} 
						else if (a%3 == 1) {
							++g;
						}
						else if (a%3 == 0) {
							if (S > 0 && a/3 > 0) {
								++g;
								--S;
							}
						}
					}
					else if (a/3 == p-2) {
						if (a%3 == 2) {
							if (S > 0){
								++g;
								--S;
							}
						} 
					}
					else {
						System.out.println("a is " + a + " and p is " + p);
						assert false;
					}
				}
			}
			System.out.println("Case #" + i + ": " + g);

		}
	}

	/* Self-Made Test Cases

	  4
	  3 0 5 0 0 0
	  3 1 6 14 13 12
	  2 0 10 30 30
	  4 1 5 13 12 11 11

		Case #1: 0
		Case #2: 1
		Case #3: 2
		Case #4: 2

	 */
}

