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.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


public class B {
  
  
  public static void main(String[]args)throws Exception {
    File f = new File(args[0]);
    File out = new File(f.getParentFile(), f.getName()+".out");
    BufferedWriter w = new BufferedWriter(new FileWriter(out));
    Scanner s = new Scanner(f);
    int T = s.nextInt();
    s.nextLine();
    for (int t=1;t<=T;t++) {
      int N = s.nextInt();
      int S = s.nextInt();
      int p = s.nextInt();
      int[] totals = new int[N];
      for (int x=0; x<N; x++) {
        totals[x] = s.nextInt();
      }
      println(w, "Case #"+t+": "+solve(S, p, totals));
    }
    s.close();
    w.close();
  }
  
  private static String solve(int s, int p, int[] totals) {
    int min = p + Math.max(0,(p-1)) + Math.max(0,(p-1));
    int floor = p + Math.max(0,p-2) + Math.max(0,p-2);
    int num = 0;
    for (int x=0; x<totals.length; x++) {
      if (totals[x] >= min) {
        num++;
      } else if (totals[x] < floor) {
        continue;
      } else if (s > 0) {
        s--;
        num++;
      }
    }
    return String.valueOf(num);
  }

  static void println(BufferedWriter w, String s) throws IOException {
    System.out.println(s);
    w.write(s+"\n");
  }
}
