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.vp.common;

public class CommonUtility {
	
	public static int[] convertStringArraytoIntArray(String[] sarray) {
		if (sarray != null) {
			int intarray[] = new int[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				intarray[i] = Integer.parseInt(sarray[i]);
			}
			return intarray;
		}

		return null;
	}
	
	public static float[] convertStringArraytoFloatArray(String[] sarray) {
		if (sarray != null) {
			float floatArray[] = new float[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				floatArray[i] = Float.parseFloat(sarray[i]);
			}
			return floatArray;
		}

		return null;
	}
	
	public static double[] convertStringArraytoDoubleArray(String[] sarray) {
		if (sarray != null) {
			double darray[] = new double[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				darray[i] = Double.parseDouble(sarray[i]);
			}
			return darray;
		}

		return null;
	}
	
	public static long[] convertStringArraytoLongArray(String[] sarray) {
		if (sarray != null) {
			long longarray[] = new long[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				longarray[i] = Long.parseLong(sarray[i]);
			}
			return longarray;
		}

		return null;
	}
	
	
	public static void print(int a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void printWithoutExtrLine(int a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
	}
	
	
	public static void print(float a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void print(double a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	

	public static void print(long a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void print(String a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}

}
