import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

package utils;

/**
 *
 * @author Fabien Renaud
 */
public class StopWatch {

  private long startTime = -1;
  private long stopTime = -1;
  private boolean running = false;

  public StopWatch start() {
    startTime = System.currentTimeMillis();
    running = true;
    return this;
  }

  public StopWatch stop() {
    stopTime = System.currentTimeMillis();
    running = false;
    return this;
  }

  public long getElapsedTime() {
    if (startTime == -1) {
      return 0;
    }
    if (running) {
      return System.currentTimeMillis() - startTime;
    } else {
      return stopTime - startTime;
    }
  }

  public String getElapsedSeconds() {
    return String.format("%1$.4f", getElapsedTime() / 1000.0f);
  }

  public StopWatch reset() {
    startTime = -1;
    stopTime = -1;
    running = false;
    return this;
  }
}
