import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


import java.io.BufferedReader;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;

/** Main function is "solve" **/
public class CodeJamProblem2 {

		static HashMap<String,String> mappings=null;
		public static void main(String args[])
		{				
			solve();
		}

		private static void solve() {
				readFromInputAndWriteInOutput();			
		}

		private static void readFromInputAndWriteInOutput() {
			try {
				File f = new File("B-large.in");
				FileReader fileReader = new FileReader(f);
				BufferedReader buff = new BufferedReader(fileReader);
				String totalTestCases = buff.readLine();
				PrintWriter printWriter = new PrintWriter("B-large.out");
				int testCases = Integer.parseInt(totalTestCases);
				for(int i =1;i<=testCases;i++)
				{
					
					String line =  buff.readLine();
					String outputLine = "Case #"+i+": ";
					String result = solveForThisLine(line);
					outputLine = outputLine.concat(result);			
					printWriter.println(outputLine);
					//System.out.println(outputLine);
				}
				printWriter.close();
				
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		
		}

		private static String solveForThisLine(String line) {
			
			String splitS[] = line.split(" ");
			int numberOfGooglers = Integer.parseInt(splitS[0]);
			int numberOfSurprisingScores = Integer.parseInt(splitS[1]);
			int reqP = Integer.parseInt(splitS[2]);
			int result = 0;
			int number=0;
			int quo = 0;
			int rem = 0;
			for(int i = 3;i<splitS.length;i++)
			{
				number =Integer.parseInt(splitS[i]);
				if(number==0 && reqP==0)
				{
					
					result=result+1;
					continue;
				}
				if(number ==0 )
					continue;
				quo = number/3;
				rem = number%3;
				rem = rem==0? 0 : 1;
				if(quo>=reqP || (rem+quo)>=reqP)
				{
					result=result+1;
					continue;
				}
				else 
				{
					if(numberOfSurprisingScores>=1)
					{
						number +=2;
						quo = number/3;
						rem = number%3;
						rem = rem==0? 0 : 1;
						if(quo>=reqP || (rem+quo)>=reqP)
						{
							result=result+1;
							numberOfSurprisingScores=numberOfSurprisingScores-1;
							continue;
						}
					
					}
						
				}
			}
			return result+"";
		}
}
