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.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;


public class Dance {

	static int getMaxGooglers(int N,int S, int p, int[] t) {
		int count=0;
		int surpriseCount=0;
		
		int avg=p*3;
		for(int i=0;i<N;i++) {
			
			/*if(t[i]>=avg)
				count++;
			
			else */
			if(t[i]>=p) {
				if(t[i]>=avg-2)
			
				count++;
			
			else if(surpriseCount<S)
			{
				if(t[i]>=avg-4) {
					count++;
					surpriseCount++;
				}
			}
			}
		}
		return count;
	}
	public static void main(String args[]) {
		try {
			BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream("c:\\gcj\\B\\B-large.in")));
			String line=br.readLine();
			PrintStream ps=new PrintStream("c:\\gcj\\B\\B-large.out");
			
			int n=Integer.parseInt(line);
				for(int i=1;i<=n;i++) {
					
					line=br.readLine();				
					String[] nums=line.split(" ");
					int N=Integer.parseInt(nums[0]);
					int S=Integer.parseInt(nums[1]);
					int P=Integer.parseInt(nums[2]);
					int t[]=new int[N];
					for(int j=0;j<N;j++)
					{
						t[j]=Integer.parseInt(nums[j+3]);
					}
					ps.println("Case #"+i+": "+getMaxGooglers(N, S, P, t));
											
				}
			} 
			catch(Exception e) {
				e.printStackTrace();
			}
			
			
		}
		

	public static void ain(String[] args) {
		// TODO Auto-generated method stub
		
		int N=2;
		int S=1;
		int p=1;
		int[] t={8,0};
		System.out.println(" count : " + getMaxGooglers(N, S, p, t));
	}

}
