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.util.*;
import java.io.*;
public class Dancer 
{
  public static void main(String[] args) 
  {
    Scanner in = new Scanner(new BufferedInputStream(System.in));
    int T = in.nextInt();
    for(int i = 0; i < T; i++) 
    {
      int N = in.nextInt();
      int S = in.nextInt();
      int p = in.nextInt();
      int minTotal = p*3-4;
      int minTotalnoS = p*3-2;
      if(p <= 1)
      {
        minTotal = p;
        minTotalnoS = p;
      }
      int surprises = 0;
      int dancers = 0;
      //int[] scores = new int[N];
      for(int j = 0; j < N; j++)
      {
       // scores[j] = in.nextInt();
        int score = in.nextInt();
        if(score >= minTotal) {
          dancers++;
          if(score < minTotalnoS) 
            surprises++;
        }
      }
      if(S < surprises)
        dancers -= (surprises - S);
      System.out.printf("Case #%d: %d\n",i+1,dancers);
    }
  }
}