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;
   }
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package IO;

import java.util.Arrays;

/**
 *
 * @author dannocz
 */
public class Triplet {
    
    private int x;
    private int y;
    private int z;

    public Triplet(int x, int y, int z) {
        int[] array={x,y,z};
        Arrays.sort(array);
        
        this.x = array[0];
        this.y = array[1];
        this.z = array[2];
    }
    
    public boolean compliesWithP(int p){
        if(x>=p || y>=p || z>=p)
            return true;
        return false;
    }
    
    @Override
    public boolean equals(Object object){        
         Triplet triplet2= (Triplet)object;
        
         return (this.x==triplet2.x && this.y==triplet2.y && this.z==triplet2.z);
            
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 47 * hash + this.x;
        hash = 47 * hash + this.y;
        hash = 47 * hash + this.z;
        return hash;
    }
   
    
    public String toString(){
        return x+","+y+","+z;
    }

    public boolean surprised() {
       return validPair(x,y) && validPair(y,z) && validPair(x,z);
    }
    
    public boolean validPair(int y1, int y2){
         int r= y1-y2;
        return (r<=1 && r>=-1);
    }
    
}
