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.FileReader;
import java.util.StringTokenizer;


public class GooglerDancing {
	
	public static void main(String[] args) {
		try {
			BufferedReader fileIn = new BufferedReader(new FileReader("B-large.in"));
			int cases = Integer.valueOf(fileIn.readLine());
			for(int i = 0; i < cases; i++) {
				StringTokenizer str = new StringTokenizer(fileIn.readLine());
				int googlers = Integer.valueOf(str.nextToken());
				int surprises = Integer.valueOf(str.nextToken());
				int minScore = Integer.valueOf(str.nextToken());
				int scoreNoSurprise = minScore + (minScore - 1) * 2;
				int scoreSurprise = minScore + (minScore - 2) * 2;
				int numHigher = 0;
				for(int j = 0; j < googlers; j++) {
					int score = Integer.valueOf(str.nextToken());
					if(score >= scoreNoSurprise) {
						numHigher++;
					} else if(score >= scoreSurprise && surprises > 0 && score != 0) {
						numHigher++;
						surprises--;
					} else if(score >= scoreSurprise && surprises == 0) {
						//System.out.println("Error Case #"+(i+1)+": min (" + minScore + ") score ("+score+") ith ("+j+")");
					}
				}
				System.out.println("Case #"+(i+1)+": " + numHigher);
			}
			
		} catch(Exception err) {
			System.out.println("Another fabulous error: " + err);
			err.printStackTrace();
		}
	}
}
