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.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;


public class LaDanceGoogler {

	public static void main(String[] args) throws IOException {
		Path input = Paths.get("/Users/mdymczyk/google-codejam/Tongues/src/input.in");
		List<String> lines = Files.readAllLines(input, Charset.forName("UTF-8"));
		lines.remove(0);
		int i = 1;
		for(String line : lines) {
			StringBuilder sb = new StringBuilder();
			sb.append("Case #"+i+": ");
			String[] numbers = line.split(" ");
			int specials = Integer.parseInt(numbers[1]);
			int searchedValue = Integer.parseInt(numbers[2]);
			int results = 0;
			for(int j = 3 ; j < numbers.length ; j++) {
				int score = Integer.parseInt(numbers[j]);
				for(int s = searchedValue ; s <= 10 ; s++){
					int rest = score-s;
					if(rest-2*s == 0 ||
					   (rest-2*s+1 == 0 && score-1 >= 0) ||
					   (rest-2*s+2 == 0 && score-1 >= 0)) {
						results++;
						break;
					} else if(specials > 0 && ((rest-2*s+3 == 0 && score-1 >= 0) ||
							   				   (rest-2*s+4 == 0 && score-2 >= 0))) {
						results++;
						specials--;
						break;
					}
				}
			}
			sb.append(results);
			System.out.println(sb);
			i++;
		}
	}
	
}
