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 MyAllgoritmicLib;

public class SimpleNumbers {
	public static boolean[] masInt;

	public static void initSimpleInt(int n) { // âõîäíûå äàííûå
		masInt = new boolean[n + 1];
		for(int i=0; i<=n;i++){
			masInt[i] = true;
		}
		masInt[0] = masInt[1] = false; // åñëè êòî-òî áóäåò èñïîëüçîâàòü ýòè
		// çíà÷åíèÿ
		for (int i = 2; i <= n; ++i) {
			if (masInt[i]) {
				for (int j = i + i; j < n; j += i) {
					masInt[j] = false;
				}
			}
		}
	}

	public static void main(String[] args) {
		initSimpleInt(1000000);
		int col = 0;
		int max = 0;
		for (int i = 0; i < 1000000; i++) {
			if (masInt[i]) {
				col++;
				max = i;
			}
		}
		System.out.println(max);
		System.out.println(col);
	}
}
