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);
        }
    }
}

public class JudgeScores{
	int jc1;
	int jc2;
	int jc3;
	private boolean isSurprising = false;
	
	public JudgeScores(int jc1, int jc2, int jc3) {
		this.jc1 = jc1;
		this.jc2 = jc2;
		this.jc3 = jc3;
	}
	public JudgeScores(int jc1, int jc2, int jc3, boolean isSurprising) {
		this.jc1 = jc1;
		this.jc2 = jc2;
		this.jc3 = jc3;
		this.isSurprising = isSurprising;
	}
	
	public int getJC1(){
		return jc1;
	}
	
	public int getJC2(){
		return jc2;
	}
	
	public int getJC3(){
		return jc3;
	}
	
	public void isSurprising(boolean isSurprising){
		this.isSurprising  = isSurprising;
	}
	
	public boolean isSurprising(){
		return this.isSurprising;
	}
	
	public int getMaxScore(){
		return Math.max(Math.max(jc1, jc2), jc3);
	}
	
	public int getMinScore(){
		return Math.min(Math.min(jc1, jc2), jc3);
	}
}