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.reflect.Array;
import java.util.Arrays;


public class Dancing {
	public static void main(String[] args) throws IOException {
BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
String x=reader.readLine();
String result="";
String input="";
long cases=Long.parseLong(x);
int size=0;
int sur=0;
int max=0;
int current=0;
int curmax=0;
int last=0;
int[]array1;
for(int j=0;j<cases;j++){
	input=reader.readLine();
String [] spl=input.split(" ");
 size=Integer.parseInt(spl[0]);
 sur=Integer.parseInt(spl[1]);
 max=Integer.parseInt(spl[2]);
 current=0;
 curmax=0;
 last=0;
int [] array=new int[spl.length-3];
for(int i=3;i<spl.length;i++){
	array[i-3]=Integer.parseInt(spl[i]);
}
Arrays.sort(array);
array1=new int[array.length];
for(int i=0;i<array.length;i++){
	array1[i]=array[array.length-i-1];
}
for(int i=0;i<array1.length;i++){
	current=array1[i];
	if(current/3<max){
	if(current%3==1){
		if((current/3+1)>=max){
			curmax++;
		}
	}else{
		if(current%3==2){
			if(last<sur&&!((current/3+1)>=max)){
				if((current/3+2)>=max){
					curmax++;
				}
				last++;
			}else{
				if((current/3+1)>=max){
					curmax++;
				}
			}
		}else{
			if(last<sur&&((current/3+1)>=max)&&(current/3-1)>=0){
				curmax++;
				last++;
			}
		}
	}
}else{
	curmax++;
}		
}
result+="Case #"+(j+1)+": "+curmax+"\n";
}
System.out.println(result);
	}
}