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.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class SolutionDance {
    static DataInputStream in = new DataInputStream(new BufferedInputStream(System.in));
    static BufferedReader din = new BufferedReader( new InputStreamReader(in));
    public static void main(String args[]){
        int t = parseInt(getLine());
        String[] g = new String[t];
        int n, s, p; int [] part; String out = "Case #";

        for(int i = 0;i<t;i++){
            g[i] = getLine();
        }
        for(int i = 0;i<t;i++){
            int count = 0;  out = "Case #";
            String[] spl =  g[i].split(" ");
            n =  parseInt(spl[0]);
            s =  parseInt(spl[1]);
            p =  parseInt(spl[2]);
            part = getPart(spl, n, p);
            for(int q = 0;q<n;q++){
                if(part[q]>=0){
                    if(2*p-part[q] <=2){
                        count++;
                    }else{
                        if(2*p-part[q] <=4){
                            if(s>0){
                                s--;
                                count++;
                            }
                        }
                    }
                }
            }
            out = out+(i+1)+": " +count;
            soutln(out);
        }
    }

    private static int[] getPart(String[] spl, int n, int p) {
        int [] part = new int [n];
        for(int i = 0;i<n;i++){
            part[i] =  parseInt(spl[i+3]) - p;
        }
        return part;
    }


    public static String getLine(){
        String input = "";
        try {
            input = din.readLine();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return input;
    }

    public static int parseInt(String s){
        return Integer.parseInt(s);
    }
    
    public static void sout(Object n){
        System.out.print(n);
    }
    public static void soutln(Object n){
        System.out.println(n);
    }
}

