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.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.util.Scanner;
public class Main
{
	public static void main(String[] args) throws Exception
	{
		Scanner sc=new Scanner(new FileInputStream(args[0]));
		BufferedWriter bw=new BufferedWriter(new FileWriter(args[1]));
		int testCases=sc.nextInt();
		for(int i=0;i<testCases;i++)
		{	
			int cnt1=0;	
			int best=0;
			int n=sc.nextInt();
			int a1[]=new int[n];
			int surprise=sc.nextInt();
			int limit=sc.nextInt();
			for(int j=0;j<n;j++)
			{
				a1[j]=sc.nextInt();
			}
			for(int  q=0;q<n;q++)
			{
				/*System.out.println("The value of array is "+a1[q]);
				*/
			}
			int array1[][]=new int[n][3];
			for(int j=0;j<n;j++)
			{
				array1[j][0]=a1[j]/3;
				int t=a1[j]-array1[j][0];
				int data1=t/2;
				int data2=t-data1;
				if(a1[j]!=0)
				{
				if(data1-data2==0)
				{
					if(limit-data1==1)
					{
						if(cnt1<surprise)
						{
							cnt1++;
							best++;
							array1[j][1]=data1--;
							array1[j][2]=data2++;
						}
						else
						{
							array1[j][1]=data1;
							array1[j][2]=data2;
						}
					}
					else if (limit-data1==0)
					{
						array1[j][1]=data1;
						array1[j][2]=data2;
						best++;
					}
					else if(limit-data1>1)
					{
						array1[j][1]=data1;
						array1[j][2]=data2;
					}
					else if(limit-data1<0)
					{
						array1[j][1]=data1;
						array1[j][2]=data2;
						best++;
					}
				}
				
				else if((data2-data1)==1)
				{
					if(limit<=data2)
					{
						array1[j][1]=data1;
						array1[j][2]=data2;
						best++;
					}
					else 
					{
						array1[j][1]=data1;
						array1[j][2]=data2;
					}
				}
				}
				else{
					if(limit==0)
					{
						best++;
					}
				}
			}
			bw.write("Case #"+(i+1)+": " +best);
		bw.newLine();
		bw.flush();
		 
		}
		bw.close();

	}

}
