import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

package mgg.utils;

public class Triplet {

	public int first;
	public int second;
	public int third;

	public Triplet(int first, int second, int third){
		this.first = Math.max(Math.max(first, second), third);
		if (first == this.first){
			this.second = Math.max(second, third);
			this.third = Math.min(second, third);
		}
		else if (second == this.first){
			this.second = Math.max(first, third);
			this.third = Math.min(first, third);
		}
		else{
			this.second = Math.max(first, second);
			this.third = Math.min(first, second);
		}
	}

	@Override
	public String toString() {
		return "(" + first + ", " + second + ", " + third + ") " + (isSurprising()?"(*)":"");
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + first;
		result = prime * result + second;
		result = prime * result + third;
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Triplet other = (Triplet) obj;
		if (first != other.first)
			return false;
		if (second != other.second)
			return false;
		if (third != other.third)
			return false;
		return true;
	}

	public int sum() {
		return first + second + third;
	}
	
	public int max() {
		return first;
	}

	public boolean isSurprising() {
		return ((Math.abs(first-second) == 2) ||
				(Math.abs(first-third) == 2) ||
				(Math.abs(second-third) == 2));
	}

}
