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.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashSet;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;


public class DacingScore {

	public static String SMALL_IN_FILE_NAME = "./B-large.txt";
	static PrintStream out = null;
	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		File smallIn = new File(SMALL_IN_FILE_NAME);
		BufferedReader br = new BufferedReader(new FileReader(smallIn));
		String s = br.readLine();
		int caseCount = Integer.parseInt(s);
		File smallOut = new File("./output.txt");
		smallOut.createNewFile();
		out = new PrintStream(smallOut);
//		out = System.out;
		
		for (int i = 0; i < caseCount; i ++) {
			out.printf("Case #%d: ", i+1);
			s = br.readLine();
			TestCase t = new TestCase(s);
			out.println(solveTestCase(t));
		}
		System.out.println("Done");
	}
	private static int solveTestCase(TestCase t) {
		int p = t.getpScore();
		int sCount = t.getSuprisingCount();
		ArrayList<Triplet> triplets = t.getTriplets();
		ArrayList<Triplet> normal = new ArrayList<Triplet>();
		ArrayList<Triplet> candidate = new ArrayList<Triplet>();
		ArrayList<Triplet> failed = new ArrayList<Triplet>();
		int sNormal = 0, sCandidate = 0, sFailed = 0;
		for (Triplet triplet : triplets) {
			if (triplet.getBest(false) >= p) {
				normal.add(triplet);
				if (triplet.isSuprisable()) {
					sNormal ++;
				}
			} else if (triplet.getBest(true) >= p) {
				candidate.add(triplet);
				sCandidate++;
			} else {
				failed.add(triplet);
				if (triplet.isSuprisable()) {
					sFailed++;
				}
			}
		}
		int result = -1;
		if (candidate.size() >= sCount) { 
			// plenty of candidates
			result = normal.size() + sCount;
		} else {
			result = normal.size() + candidate.size();
		}
		return result;
	}
}
