/**
 * Created by IntelliJ IDEA.
 * User: Administrator
 * Date: 3/3/12
 * Time: 11:00 AM
 * To change this template use File | Settings | File Templates.
 */

import SRMLib.MathLibrary;
import SRMLib.TestSRMLib;
import com.sun.org.apache.bcel.internal.generic.F2D;

import java.io.*;
import java.util.*;
import java.util.zip.Inflater;

public class SRM {
    public static void main(String[] args) throws IOException {
        //TestSRMLib.run();
        codeJam1.main();

        return;
    }
}
class codeJam1 {
    public static void main() throws IOException {
        String inputPath = "E:\\input.txt";
        String outputPath = "E:\\output.txt";
        BufferedReader input = new BufferedReader(new FileReader(inputPath));
        BufferedWriter output = new BufferedWriter(new FileWriter(outputPath));

        String line;
        line = input.readLine();
        int T = Integer.parseInt(line);
        for (int i = 1; i <= T; ++i) {
            line = input.readLine();
            String[] words = line.split(" ");
            int N = Integer.parseInt(words[0]);
            int S = Integer.parseInt(words[1]);
            int p = Integer.parseInt(words[2]);
            int n = 0;
            int res = 0;

            for (int j = 3; j < words.length; ++j) {
                if (p == 0) {
                    res++;
                    continue;
                }

                int t = Integer.parseInt(words[j]);
                if (p == 1) {
                    if (t > 0)
                        res++;
                    continue;
                }
                if (t >= 3 * p - 2)
                    res++;
                else if (t >= 3 * p - 4)
                    n++;
            }

            res += Math.min(n, S);
            output.write("Case #" + i + ": " + res);
            output.newLine();
        }

        input.close();
        output.close();
    }
}

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

import java.util.Arrays;

/**
 *
 * @author dannocz
 */
public class Triplet {
    
    private int x;
    private int y;
    private int z;

    public Triplet(int x, int y, int z) {
        int[] array={x,y,z};
        Arrays.sort(array);
        
        this.x = array[0];
        this.y = array[1];
        this.z = array[2];
    }
    
    public boolean compliesWithP(int p){
        if(x>=p || y>=p || z>=p)
            return true;
        return false;
    }
    
    @Override
    public boolean equals(Object object){        
         Triplet triplet2= (Triplet)object;
        
         return (this.x==triplet2.x && this.y==triplet2.y && this.z==triplet2.z);
            
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 47 * hash + this.x;
        hash = 47 * hash + this.y;
        hash = 47 * hash + this.z;
        return hash;
    }
   
    
    public String toString(){
        return x+","+y+","+z;
    }

    public boolean surprised() {
       return validPair(x,y) && validPair(y,z) && validPair(x,z);
    }
    
    public boolean validPair(int y1, int y2){
         int r= y1-y2;
        return (r<=1 && r>=-1);
    }
    
}
