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.io.*;
public class Dancing {
	public static void main(String[] args) {
		try{
			BufferedWriter output = new BufferedWriter(new FileWriter("output.txt"));
			BufferedReader input = new BufferedReader(new FileReader("B-small-attempt2.in"));
			int i = 0;
			int j = Integer.parseInt(input.readLine());
			while(i < j) {
				//get the line
				String line = input.readLine();
				//split into data
				String[] splitLine = line.split(" ");
				//get the useful data out of the line
				int n = Integer.parseInt(splitLine[0]);
				int s = Integer.parseInt(splitLine[1]);
				int p = Integer.parseInt(splitLine[2]);
				int[] scores = new int[n];
				//get out the total score
				for(int foo = 0; foo < n; foo++) {
					scores[foo] = Integer.parseInt(splitLine[foo + 3]);
				}
				//setup the output value
				int caseValue = 0;
				for(int score: scores) {
					//if total score is less then value needed there is no chance
					if(score >= p){
						int average = score / 3;
						//if the average is higher then the scores are then 1 value is definately higher then p
						if (average >= p) {
							caseValue++;
						//if average is 1 less then scores are there is a possibilty of a hit
						} else if(average+1 == p) {
							//if it's scores are not divisible by 3 at least one is higher then average
							if(score % 3 != 0) {
								caseValue++;
							//if the total score is divisible by 3 then only a surprising score can make up difference
							} else {
								if(s>0){
									caseValue++;
									s--;
								}
							}
						//there is also a very specific case when the average is 2 less that you can use a surprising case to make up the difference	
						} else if (average+2 == p && score % 3 == 2 && s >0) {
							caseValue++;
							s--;
						}
					}
				}
				System.out.println();
				output.write("Case #" + (i+1) +": " + caseValue);
				output.newLine();
				i++;
			}
			output.close();
			input.close();
		} catch(Exception e) {System.out.println(e);}
	}
}
