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.FileReader;
import java.io.PrintWriter;
import java.io.FileWriter;
import java.util.*;

public class B
{	
	public B( String fn)
	{
		try{
			BufferedReader r = new BufferedReader( new FileReader( fn + ".in"));
			PrintWriter w = new PrintWriter( new FileWriter( fn + ".out"));
			int t = Integer.valueOf( r.readLine());
			for( int i = 0; i < t; i++){
				String[] line = r.readLine().trim().split( " ");
				int y = 0;
				int n = Integer.valueOf( line[0]);
				int s = Integer.valueOf( line[1]);
				int p = Integer.valueOf( line[2]);
				for( int j = 3; j < line.length; j++){
					int a = Integer.valueOf( line[j]);
					if( p == 1){
						if( a >= 1)
							y++;
					}else if( a >= p+2*(p-1)){
						y++;
					}else if( s > 0 && a >= p+2*(p-2)){
						s--;
						y++;	
					}
				}
				w.println( "Case #" + (i+1) + ": " + y);
				System.out.println( "Case #" + (i+1) + ": " + y);
			}
			w.close();
			r.close();
		}catch( Exception e){}
	}
	
	public static void main( String[] args) throws Exception
	{
		new B( args[0]);
	}
}