/*
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 * 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
    }

// library In.java at http://introcs.cs.princeton.edu/stdlib/stdlib.jar

public class PB {
    public static void main (String[] args) {
        int t, n, s, p;
        
        int num, mod, quot;
        int maybe;
        int counter;
        int max;
        
        In in = new In("input.txt");
        t = Integer.parseInt(in.readLine());
        
        int i = 1;
        // get input
        while (in.hasNextLine()) {
            maybe = 0;
            counter = 0;
            n = in.readInt();
            s = in.readInt();
            p = in.readInt();
            
            for (int j = 0; j < n; j++) {
                num = in.readInt();
                quot = num / 3;
                mod = num % 3;

                if (mod == 1) {
                    if (quot + 1 >= p) {
                        counter++;
                        continue;
                    }
                    if (3 * p - 2 <= num) {
                        maybe++;
                        continue;
                    }
                }
                if (mod == 0){ 
                    if (quot >= p) {
                        counter++;
                        continue;
                    }
                    if (3 * p - 3 <= num && num != 0) {
                        maybe++;
                        continue;
                    }
                }
                if (mod == 2) {
                    if (quot + 1 >= p) {
                        counter++;
                        continue;
                    }
                    if (3 * p - 4 <= num) {
                        maybe++;
                        continue;
                    }
                }
            }
            max = Math.min(s, maybe);
            
            System.out.print("Case #" + i + ": " + (max + counter) + "\n");
            i++;
        }
    }
}
