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.IOException;
import java.io.InputStreamReader;
import java.lang.Integer;
import java.util.ArrayList;

class jam1a {
    public static void main(String[] args) {
    	BufferedReader bufferRead = new BufferedReader(new InputStreamReader(System.in));
	    try {
			String s = bufferRead.readLine();
			int testCases=Integer.parseInt(s);
			ArrayList<String> sars = new ArrayList<String>();
			for(int i=0; i< testCases; i++){
				s = bufferRead.readLine();
				sars.add(s);				
			}
			System.out.println("\n");
			
			for(int j=0; j<sars.size(); j++){
				String [] split=sars.get(j).split(" ");
				int googlers=Integer.parseInt(split[0]);
				int surprises=Integer.parseInt(split[1]);
				int p=Integer.parseInt(split[2]);
				ArrayList<Integer> nums = new ArrayList<Integer>();
				for(int i=3; i<split.length; i++){
					nums.add(Integer.parseInt(split[i]));
				}
				System.out.println("Case #"+(j+1)+": " + atLeast(googlers, surprises,p,nums));
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	    
    }
    
    public static int atLeast(int googlers, int surprises, int p, ArrayList<Integer> numbers){
    	if(p==0) return numbers.size();
    	int ret=0;
    	for (int i=0; i<numbers.size(); i++){
    		float tempNum=numbers.get(i);
    		if(tempNum==0 && p>0 ) continue;    		
    		float avg=(float)tempNum/3;
    		float tempRem=tempNum-p;
    		boolean okNoSuprise=false;
			if(tempRem%2==0){
				int tempVal=(int) (tempRem/2);
				if((tempVal+1)>=p) {
					okNoSuprise=true;					
				}
			}else{
				int tempForDiv=(int) (tempRem-1);
				int val1=(int) (tempForDiv/2);
				if((val1+1)>=p){
					okNoSuprise=true;
				}
			}
    		if((avg)>=p) ret++;
    		else if(okNoSuprise) ret++;
    		else if( surprises > 0){    		
    			if(tempRem%2==0){
    				int tempVal=(int) (tempRem/2);
    				if((tempVal+2)>=p) {
    					ret++;
    					surprises--;
    				}
    			}else{
    				int tempForDiv=(int) (tempRem-1);
    				int val1=(int) (tempForDiv/2);
    				int val2=val1+1;
    				if((val1+2)>=p){
    					ret++;
    					surprises--;
    				}
    			}
    		}
    	}
    	return ret;
    }
    
}