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.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-small-attempt0.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();
}

}

}
				