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;
    }
}


/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package leider.ken;

import java.util.Arrays;
import java.util.List;
import java.util.concurrent.Callable;




/**
 *
 * @author ken
 */
class DancingAlgorithm implements Callable<String> {
    private final int caseNumber;
    private final long surprises;
    private final long minScore;
    private final List<Long> totals;

    public DancingAlgorithm(int caseNumber, long surprises, long minScore, List<Long> totals) {
        this.caseNumber = caseNumber;
        this.surprises = surprises;
        this.minScore = minScore;
        this.totals = totals;

    }


    public String call() throws Exception {
        long meetsCount = 0;
        long meetsWithSurpriseCount = 0;
        
        for (Long total : totals) {
            double avgOther = (total - minScore)/ 2.0;
            long min = (long) Math.floor(avgOther);
            if (min < 0) continue;                    
            if (min + 1 >= minScore) {
                meetsCount++;
            } else if (min + 2 >= minScore) {
                meetsWithSurpriseCount++;
            }            
        }
        
        long retval = meetsCount + Math.min(meetsWithSurpriseCount, surprises);
        return String.format("Case #%d: %d", caseNumber, retval);
    }

    @Override
    public String toString() {
        return totals.toString();
    }
    
    
}
