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.util.Scanner;


public class Scoring {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int numLines = sc.nextInt();
		int lineCount = 1;
		
		while (numLines > 0) {
			int numGoogler = sc.nextInt();
			int numSurprisingScores = sc.nextInt();
			int scoreThreshold = sc.nextInt();
			int result = 0;
//			System.out.println(numGoogler +" "+ numSurprisingScores +" "+ scoreThreshold);
			while (numGoogler > 0) {
				int totalScore = sc.nextInt();
//				System.out.println(totalScore);
				boolean passed = processScore(scoreThreshold, totalScore);
				
				if (passed) {
					result++;
//					System.out.println("here!!!");
				} else if (!passed && numSurprisingScores > 0) {
					int maxPossibleScore = calculateMaxScore(totalScore);
					if (maxPossibleScore >= scoreThreshold) {
						result++;
						numSurprisingScores--;
//						System.out.println("here!");
					}
//					System.out.println("here!!");
				}
				numGoogler--;
			}
			System.out.println("Case #" + lineCount + ": " + result);
			lineCount++;
			numLines--;
		}
	}
	
	private static int calculateMaxScore(int totalScore) {
		int avg = totalScore/3;
		int mod = totalScore%3;
		int max = 0;
		if (totalScore != 0) {
			if (mod <= 1) {
				max = avg+1;
			} else if (mod == 2) {
				max = avg+2;
			}
		}
		return max;
	}

	public static boolean processScore(int scoreThreshold, int totalScore) {
		int avg = totalScore/3;
		int mod = totalScore%3;
//		System.out.println(avg+" "+mod);
		
		if (mod > 0) {
			if (avg+1 >= scoreThreshold) {
				return true;
			}
		} else if (mod == 0) {
			if (avg >= scoreThreshold) {
				return true;
			}
		}
		return false;
	}

}
