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.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


public class DancingWithGooglers {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		
		Scanner in;
		in = new Scanner(new FileReader("B-large.in"));
		FileWriter output = new FileWriter("B-large.out");
		
		int T = in.nextInt();
		
		for(int i = 1; i <= T; i++) {
			int N = in.nextInt();
			int S = in.nextInt();
			int p = in.nextInt();
			int pass = 0;
			
			for(int j = 1; j <= N; j++) {
				int x = in.nextInt();
				if(p > x) continue;
				int remaining = x-p;
				if( (remaining/2) >= (p-1) ) {
					pass++;
				} else if ( ( (remaining/2) == (p-2) ) && (S > 0) ) {
					pass++;
					S--;
				}
			}
			
			output.write("Case #" + i + ": " + pass + "\n");
		}
		
		in.close();
		output.flush();
		output.close();

	}

}
