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.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class Dancers {
	
	public static void main(String args[]) throws IOException {
		Scanner s = new Scanner(new File("D:\\input2.txt"));
		FileWriter fo = new FileWriter(new File("D:\\workspace\\GC12\\src\\output2.txt"));
		int num = s.nextInt();
		for(int i = 1; i<= num; i++) {
			fo.write("Case #" + i + ": ");
			int nd = s.nextInt();
			int ns = s.nextInt();
			//System.out.println("\n"+ i + " - " + nd + " , "+ ns);

			int p = s.nextInt();
			int aHigh = Math.max(p, 0) + Math.max(p-1, 0) + Math.max(p-1, 0);
			int surpScore = Math.max(p, 0) + Math.max(p-2, 0) + Math.max(p-2, 0);
			int bScore = 0;
			int canSurprise = 0;
			for(int j = 1; j<=nd; j++) {
				int score = s.nextInt();
				//System.out.print(score + " - ");
				if (score == 0) {
					continue;
				}
				if (score >= aHigh) {
					bScore ++;
				} else if(score >= surpScore) {
					canSurprise ++;
				}
			}
			if (canSurprise < ns) {
				bScore += canSurprise;
			} else {
				bScore += ns;
			}
			if(p==0) {
				fo.write(nd + "\n");
			} else {
				fo.write(bScore + "\n");
			}
		}
			fo.close();
			s.close();
	}
}
