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.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;

public class ProblemB {

/**
* @param args
*/
public static void main(String[] args) {
BufferedReader br = null;
BufferedWriter bw = null;
String input[] = null;
String output = null;
try {
br = new BufferedReader(new FileReader(new File("E:/B-large.in")));
bw = new BufferedWriter(new FileWriter("output.txt"));
int count = Integer.parseInt(br.readLine());
for (int i = 0; i < count; i++) {
input = br.readLine().split(" ");
int noOfScores = Integer.parseInt(input[0]);
int noOfSuprises = Integer.parseInt(input[1]);
int expectedScore = Integer.parseInt(input[2]);
int noOfSolutions=0;
int scores[]=new int[noOfScores];
for(int j=0;j<noOfScores;j++)
{
	scores[j]=Integer.parseInt(input[j+3]);
}
for(int j=0;j<noOfScores;j++)
{
	if((scores[j]%3)==1)
	{
		if(((int)(scores[j]/3)+1)>=expectedScore)
		{
			noOfSolutions++;
		}
	}else {
		if((scores[j]%3)==0)
		{
			int probScore=(int)(scores[j]/3);
			if(probScore>=expectedScore)
			{
				noOfSolutions++;
			} else {
			if(((probScore+1)>=expectedScore)&&((probScore-1)>=0)&&noOfSuprises!=0)
			{
				noOfSolutions++;
				noOfSuprises--;
			}
			}
		}
		else
		{
			int probScore=(int)(scores[j]/3)+1;
			if(probScore>=expectedScore)
			{
				noOfSolutions++;
			} else {
			if(((probScore+1)>=expectedScore)&&noOfSuprises!=0)
			{
				noOfSolutions++;
				noOfSuprises--;
			}
			}
		}
	}
}
output = new String("Case #" + (i + 1) + ": "+noOfSolutions);
bw.write(output);
bw.newLine();
//logic here
}
bw.close();
} catch (Exception e) {
e.printStackTrace();
}

}

}
				