import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

import java.util.ArrayList;
import java.util.Arrays;


public class ProbB {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		ArrayList<String> in=Utils.readFile("B-small-attempt0.in.in");
		ArrayList<String> out =new ArrayList<String>();
		for (int i = 1; i < in.size(); i++) {
			String[] str=in.get(i).split(" ");
			int n= Integer.parseInt(str[0]);
			int surprise=Integer.parseInt(str[1]);
			int p=Integer.parseInt(str[2]);
			int[] elem=new int[n];
			for (int j = 0; j < n; j++) {
				elem[j]=Integer.parseInt(str[j+3]);				
			}
			Arrays.sort(elem);
			int count=0;
			for (int j = elem.length-1; j >=0 ; j--) {
				if(elem[j]>=(3*p-2)){
					count++;
				}else if(elem[j]>=(3*p-4)){
					if(surprise==0||p==1){
						break;
					}else{
						count++;
						surprise--;
					}
				}else{
					break;
				}
			}
			out.add("Case #"+i+": "+count);
			Utils.writeFile(out, "B-small-attempt0");
		}
		

	}

}
