package problem1;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Arrays;





public class Problem1 {

    public static void main(String[] args) throws FileNotFoundException, IOException{
        try {
             TextIO.readFile("L:\\Coodejam\\Input\\Input.txt");
        }
        catch (IllegalArgumentException e) {
              System.out.println("Can't open file ");
              System.exit(0);
         }
        
        FileOutputStream fout = new FileOutputStream("L:\\Coodejam\\Output\\output.txt");
        PrintStream ps=new PrintStream(fout);
        
        int cases=TextIO.getInt();
        int googlers=0,surprising=0,least=0;
        for(int i=0;i<cases;i++){
            int counter=0;
            googlers=TextIO.getInt();
            surprising=TextIO.getInt();
            least=TextIO.getInt();
            int score[]=new int[googlers];
            for(int j=0;j<googlers;j++){
                score[j]=TextIO.getInt();
                 }
            
            
            
            
            Arrays.sort(score);
            int temp=0;
            int sup[]=new int[surprising];
            
          for(int j=0;j<googlers && surprising>0;j++){
               if(biggestNS(score[j])<least && biggestS(score[j])==least){
                   surprising--;
                   counter++;
                }
               }
           
            for(int j=0;j<googlers;j++){
                if(surprising==0)temp=biggestNS(score[j]);
                    
                else {
                    temp=biggestS(score[j]);
                    surprising--;     
                } 
                   if(temp>=least)counter++;
           
             }
            
             ps.println("Case #"+(i+1)+": "+counter);
        }
    }
    
   static int biggestNS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-1)/3)+1;
   }
   
   static int biggestS(int x){
       if(x==0)return 0;
       if(x==1)return 1;
       return ((x-2)/3)+2;
   }
}
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.StringTokenizer;

public class ProblemB {

	private static final String OUT = "C:/workspaces/tc/CodeJam/src/B.out";
	private static final String IN = "D:/downloads/B-small-attempt1.in";

	public static boolean canHaveScoreWithoutSurprise(int score, int requiredScore) {
		if (requiredScore == 0) {
			return true;
		}
		return Math.max(0, requiredScore - 1) * 3 + 1 <= score;
	}

	public static boolean canHaveScoreWithSurprise(int score, int requiredScore) {
		return Math.max(0, requiredScore - 2) * 3 + 2 <= score;
	}

	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new FileReader(IN));
		BufferedWriter bw = new BufferedWriter(new FileWriter(OUT));
		int T = Integer.parseInt(br.readLine());
		for (int i = 0; i < T; i++) {
			StringTokenizer st = new StringTokenizer(br.readLine());
			int N = Integer.parseInt(st.nextToken());
			int S = Integer.parseInt(st.nextToken());
			int p = Integer.parseInt(st.nextToken());
			int[] t = new int[N];
			for (int j = 0; j < N; j++) {
				t[j] = Integer.parseInt(st.nextToken());
			}
			int withoutSurpriseTotal = 0;
			int withSurpriseTotal = 0;
			for (int score : t) {
				if (canHaveScoreWithoutSurprise(score, p)) {
					withoutSurpriseTotal++;
				} else {
					if (canHaveScoreWithSurprise(score, p)) {
						withSurpriseTotal++;
					}
				}
			}
			int res = withoutSurpriseTotal + Math.min(withSurpriseTotal, S);
			bw.write("Case #" + (i + 1) + ": " + res + "\n");
		}
		bw.close();
	}

}
