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;
    }
}


package com.gcj.parser;

public class MaxPoints {

	public static int normal(int value){
		int toReturn = 0;
		switch (value) {
		case 0 : toReturn = 0 ; break;
		case 1 : toReturn = 1 ; break;
		case 2 : toReturn = 1 ; break;
		case 3 : toReturn = 1 ; break;
		case 4 : toReturn = 2 ; break;
		case 5 : toReturn = 2 ; break;
		case 6 : toReturn = 2 ; break;
		case 7 : toReturn = 3 ; break;
		case 8 : toReturn = 3 ; break;
		case 9 : toReturn = 3 ; break;
		case 10 : toReturn = 4 ; break;
		case 11 : toReturn = 4 ; break;
		case 12 : toReturn = 4 ; break;
		case 13 : toReturn = 5 ; break;
		case 14 : toReturn = 5 ; break;
		case 15 : toReturn = 5 ; break;
		case 16 : toReturn = 6 ; break;
		case 17 : toReturn = 6 ; break;
		case 18 : toReturn = 6 ; break;
		case 19 : toReturn = 7 ; break;
		case 20 : toReturn = 7 ; break;
		case 21 : toReturn = 7 ; break;
		case 22 : toReturn = 8 ; break;
		case 23 : toReturn = 8 ; break;
		case 24 : toReturn = 8 ; break;
		case 25 : toReturn = 9 ; break;
		case 26 : toReturn = 9 ; break;
		case 27 : toReturn = 9 ; break;
		case 28 : toReturn = 10 ; break;
		case 29 : toReturn = 10 ; break;
		case 30 : toReturn = 10 ; break;

		}

		return toReturn;
	}

	public static int surprising(int value){
		int toReturn = 0;
		switch (value) {
		case 0 : toReturn = 0 ; break;
		case 1 : toReturn = 1 ; break;
		case 2 : toReturn = 2 ; break;
		case 3 : toReturn = 2 ; break;
		case 4 : toReturn = 2 ; break;
		case 5 : toReturn = 3 ; break;
		case 6 : toReturn = 3 ; break;
		case 7 : toReturn = 3 ; break;
		case 8 : toReturn = 4 ; break;
		case 9 : toReturn = 4 ; break;
		case 10 : toReturn = 4 ; break;
		case 11 : toReturn = 5 ; break;
		case 12 : toReturn = 5 ; break;
		case 13 : toReturn = 5 ; break;
		case 14 : toReturn = 6 ; break;
		case 15 : toReturn = 6 ; break;
		case 16 : toReturn = 6 ; break;
		case 17 : toReturn = 7 ; break;
		case 18 : toReturn = 7 ; break;
		case 19 : toReturn = 7 ; break;
		case 20 : toReturn = 8 ; break;
		case 21 : toReturn = 8 ; break;
		case 22 : toReturn = 8 ; break;
		case 23 : toReturn = 9 ; break;
		case 24 : toReturn = 9 ; break;
		case 25 : toReturn = 9 ; break;
		case 26 : toReturn = 10 ; break;
		case 27 : toReturn = 10 ; break;
		case 28 : toReturn = 10 ; break;
		case 29 : toReturn = 10 ; break;
		case 30 : toReturn = 10 ; break;

		}
		return toReturn;
	}

}
