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.*;
import java.util.*;

public class GoogleCount{
	
	public GoogleCount(String line, int i, BufferedWriter out){
		int count=0;
		try {
//			ArrayList<Goods> gooda = new ArrayList();
//			TreeSet<Integer> goods = new TreeSet();
			StringTokenizer token = new StringTokenizer(line);
			out.write("Case #"+Integer.toString(i)+": ");
			String str = null;
			Goods cur;
			int countS=0, countG=0;
	  		while (token.hasMoreTokens()){
				str = token.nextToken();
				int totG=Integer.parseInt(str);

				str = token.nextToken();
				int totS=Integer.parseInt(str);

				str = token.nextToken();
				int best=Integer.parseInt(str);

				int curr,temp;
				while (token.hasMoreTokens() && count<totG){
					str = token.nextToken();
					curr=Integer.parseInt(str);
					
					if(curr>=best){
						if (curr-best>=((best-1)*2)){

							countG++;
						}
						else if(curr-best>=((best-2)*2) && countS<totS){

							countS++;
							countG++;
						}
					}
					count++;
				}
			}
			out.write(Integer.toString(countG));
			System.out.print("\n");
			out.write("\n");
		}
		catch (IOException ex){
		      ex.printStackTrace();	    		
		}	
	}		
}
