/*
 * 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.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Dance {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		int numCases = Integer.parseInt(br.readLine());
		for ( int i = 1; i <= numCases; i++ ) {
			String[] c = br.readLine().split(" ");
			int googlers = Integer.parseInt(c[0]);
			int exceptions = Integer.parseInt(c[1]);
			int target = Integer.parseInt(c[2]);
			int hits = 0;
			int potentials = 0;
			for ( int j = 3; j < (googlers + 3); j++ ) {
				int val = Integer.parseInt(c[j])
					, avg = val/3
					, mod = val%3
					, max = avg + (mod == 2 ? 2 : 1)
					, normalMax = (mod == 0 ? avg : avg + 1)
				;
				//				System.out.println("Checking " + val + " with avg " + avg + " and mod " + mod + " and max " + max + " and normal max " + normalMax);
				if ( (val == 0 && target > 0) || max < target ) {
					continue; // Unobtainable, discard
				}
				else if ( normalMax >= target ) {
					hits++;
				}
				else {
					potentials++;
				}
			}
			System.out.println("Case #" + i + ": " + (hits + (exceptions >= potentials ? potentials : exceptions)));
		}
	}
}