import java.util.List;


public class Case implements Runnable {

	private int id;
	private String output;

	private int n;
	private int s;
	private int p;
	private List<Integer> g;

	public Case(int id) {
		this.id = id;
	}

	public Case(int id, int n, int s, int p, List<Integer> g) {
		super();
		this.id = id;
		this.n = n;
		this.s = s;
		this.p = p;
		this.g = g;
	}

	public String solve() {
		int res = 0;
		for (int googler : g) {
			int b = googler / 3;
			boolean div = googler % 3 == 0;
			if (b >= p) {
				res++;
				continue;
			}
			if (p == b+1) {
				if (div && s > 0 && b > 0) {
					res++;
					s--;
					continue;
				}
				if (!div) {
					res++;
					continue;
				}
			}
			if (p == b+2) {
				if (3*b+2 == googler && s > 0) {
					res++;
					s--;
				}
			}
		}
		return String.valueOf(res);
	}

	@Override
	public void run() {
		output = solve();
	}

	@Override
	public String toString() {
		return "Case #" + id + ": " + output;
	}

}
import java.io.* ;
import java.util.Scanner;
public class Main2 {
	public static void main(String argsp[]) throws FileNotFoundException{
		
		Scanner in = new Scanner(new FileReader("input.in"));
		PrintWriter out = new PrintWriter("output.txt");
		int T = 0;
		String S1 = in.nextLine() ;
		T = Integer.parseInt(S1);
		for(int i=0;i<T;i++)
		{
			S1 = in.nextLine();
			out.print("Case #"+ (i+1) +": ");
			int space = S1.indexOf(" ");
			int N = Integer.parseInt(S1.substring(0, space));
			S1 = S1.substring(space+1);
			space = S1.indexOf(" ");
			int S = Integer.parseInt(S1.substring(0, space));
			S1 = S1.substring(space+1);
			space = S1.indexOf(" ");
			int p = Integer.parseInt(S1.substring(0, space));
			int a[] = new int[N];
			for(int j=0;j<N-1;j++)
			{
				S1 = S1.substring(space+1);
				space = S1.indexOf(" ");
				a[j] = Integer.parseInt(S1.substring(0, space));
			}
			a[N-1] = Integer.parseInt(S1.substring(space+1));
			int checker = 0;
			if (p>1)
				checker = 3*p - 4;
			else
				checker = 0;
			int great = 0;
			int surprise = 0;
			for(int k=0;k<N;k++)
			{
				if(a[k]>=checker)
					great++;
				if((a[k]==checker || a[k] == checker+1) && p>1)
					surprise++;
				if(p==1 && a[k] == 0)
					great--;
			}
//			System.out.println(great+ " " + surprise);
			int answer = 0;
			if((S-surprise)<=0)
				answer = great+S-surprise;
			else
				answer = great;
			out.println(answer);
		}
		out.close();
	}
}