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

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }

import java.util.Scanner;

public class B {

	/**
	 * @param args
	 */
	public static void main(String[] args) {

		Scanner in = new Scanner(System.in);

		int T = in.nextInt();

		in.nextLine();

		for (int i = 1; i <= T; i++) {

			int numDancers = in.nextInt();
			int numSurprisingTriplets = in.nextInt();
			int p = in.nextInt();
			int triplet, div, mod;
			int res = 0;

			for (int j = 0; j < numDancers; j++) {
				triplet = in.nextInt();

				div = triplet / 3;
				mod = triplet % 3;

				if (triplet != 0) {
					if (div >= p)
						res++;
					else {
						if (mod != 0) {
							div++;
							if (div >= p)
								res++;
							else {
								mod--;
								if (mod != 0) {
									div++;
									if (div >= p && numSurprisingTriplets > 0) {
										res++;
										numSurprisingTriplets--;
									}
								}
							}
						} else {
							div++;
							if (div >= p && numSurprisingTriplets > 0) {
								res++;
								numSurprisingTriplets--;
							}
						}
					}

				}
				else
					if (p == 0)
						res++;
			}
			System.out.println("Case #" + i + ": " + res);
		}
	}

}
