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;
    }
}


import java.util.LinkedList;


public class Triplet 
{
	public Triplet()
	{
		
	}
	
	public static int triplete(LinkedList<Integer> t_i, int p, int s)
	{
		int res = 0;
		int a,b,c;		
		
		for(Integer i : t_i)
		{
			a = p; b = p-1; c = p-2;
			if(a+b+c < i)
			{
				c++;
			}
			if(a+b+c < i)
			{
				b++;
			}
			if(a+b+c < i)
			{
				c++;
			}
			if(a+b+c > i)
			{
				b--;
			}
			while(a+b+c < i)
			{
				if(a+b+c < i)
				{
					b++;
				}
				if(a+b+c < i)
				{
					c++;
				}
				if(a+b+c < i)
				{
					a++;
				}
			}
			
			int prue = a + b + c;						
			if(a >= 0 && b >= 0 && c >= 0)
			{
				if(prue == i && a <= 10 && b <= 10 && c <= 10 && (a - b != 2 && a - c != 2 && b - c != 2))
				{
					res++;
					
				}
				else if(prue == i &&(a - b == 2 || a - c == 2 || b - c == 2) && s > 0)
				{
					res++;
					s--;
				}
			}
			
			
		}
		
		return res;
	}
}
