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.File;
import java.util.Scanner;


public class DancingGooglers {

	public static void calculate(File file){
		
		String output="";
		int cases = 0;
		String singleLine = "";
		try{
			Scanner scanner = new Scanner(file);
			cases = Integer.parseInt(scanner.nextLine());
			int []result = new int[cases];	
			int counter=0;
			for(int i=0; i<cases;i++){
				singleLine=scanner.nextLine();
				String [] words = singleLine.split(" ");
				int [] numbers = new int [words.length];
				int player=0;
				int surprise=0;
				int best=0;
				for(int j=0;j<words.length;j++){
					numbers[j]=Integer.parseInt(words[j]);
				}
				player=numbers[0];
				surprise=numbers[1];
				best=numbers[2];
				int[]scores= new int[player];
				for(int k=0;k<player;k++){
					scores[k]=numbers[k+3];
				}
				for(int l=0;l<scores.length;l++){
					if(scores[l]>=3*best-2){
						counter++;
					}
					if((3*best-4>=0)&&(surprise!=0)&&(scores[l]>=3*best-4)&&(scores[l]<3*best-2)){
						counter++;
						surprise--;
					}
					
				}
				result[i]=counter;
				
				output+="Case #"+(i+1)+": ";
				output+=result[i]+" ";
				output+="\n";
				counter=0;
			}
		}catch(Exception e){
			System.out.println("Please debug this program to find the exception.");
		}
		
		System.out.println(output);	
	}
	public static void main(String[] args) {
		File file = new File("./src/B-large.in");
		calculate(file);
	}

}
