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.Locale;
import java.util.Scanner;

public class B {

	void solve(int icase) {
		int n = si();
		int s = si();
		int p = si();
		int[] t = new int[31];
		for (int i = 0; i < n; i++) {
			t[si()]++;
		}
		int res = Math.min(p < 2 ? 0 : t[3 * p - 4] + t[3 * p - 3], s);
		for (int i = Math.max(3 * p - 2, 0); i <= 30; i++) {
			res += t[i];
		}
		printf("Case #%d: %d\n", icase, res);
	}

	public static void main(String[] args) throws Exception {
		Locale.setDefault(Locale.US);
		new B().repSolve();
	}

	void repSolve() throws Exception {
		scanner = new Scanner(System.in);
		// scanner = new Scanner(new java.io.File(""));
		int ncase = si();
		sline();
		for (int icase = 1; icase <= ncase; icase++) {
			solve(icase);
			System.err.println("[[ " + icase + " ]]");
		}
	}

	Scanner scanner;

	int si() {
		return scanner.nextInt();
	}

	long sl() {
		return scanner.nextLong();
	}

	String ss() {
		return scanner.next();
	}

	String sline() {
		return scanner.nextLine();
	}

	void printf(String format, Object... args) {
		System.out.printf(format, args);
	}

}
