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.FileReader;
import java.io.IOException;

public class Bsmall {
    
    private static int[] triplet(int total, boolean special) {
        int[] scores =  {0, 0, 0};
        
        for (int i = 10; i != -1; --i) {
             
            for (int j = i; j != -1; --j) {
                
                // Si no hay mas especiales
                if ((special) ? i - j > 2 : i - j > 1)
                    break;
                
                for (int k = j; k != -1; --k) {
                    
                    // Si no hay mas especiales
                    if ((special) ? j - k > 2 || i - k > 2: j - k > 1 || i - k  > 1)
                        break;
                    
                    if (i + j + k == total) {
                        scores[0] = i;
                        scores[1] = j;
                        scores[2] = k;
                        
                        return scores;
                    }
                }
            }
        }
        
        return scores;
    }
    
    public static void main(String[] args) {
        BufferedReader br = null;
        
        try {
            br = new BufferedReader(new FileReader(args[0]));
            
            int t = Integer.parseInt(br.readLine());
            
            for (int i = 0; i != t; ++i) {
                System.out.print("Case #" + (i+1) + ": ");
                
                String[] tokens = br.readLine().split(" ");
                
                int n = Integer.parseInt(tokens[0]);    // Num jugadores
                int s = Integer.parseInt(tokens[1]);    // Num especiales
                int p = Integer.parseInt(tokens[2]);    // Score a buscar
                int count = 0;
                
                for (int g = 0; g != n; ++g) {
                    int total = Integer.parseInt(tokens[g + 3]);
                    
                    if (triplet(total, false)[0] >= p) {
                        ++count;
                    } else if (s > 0 && triplet(total, true)[0] >= p) {
                        ++count;
                        --s;
                    }
                    
                }
                
                System.out.println(count);
            }

        } catch (IOException e) {
            System.out.println("Error :(");
        } finally {
            
            try {
                if (br != null) br.close();
            } catch (IOException ex) {
                System.out.println("Error :(");
            }
        }
    }
}