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.util.List;
import java.util.Map;


public class Dwtg {
	List<List<List<String>>> input;
	
	public Dwtg(List<List<List<String>>> input){
		this.input = input;
	}
	
	public void solve(){
		int googlers;
		int surprise;
		int p;
		int res;
		
		int scoreOk;
		int nbOk;
		int potentialSurp;
		int nbSurp;
		for(int i = 0; i < input.size(); i++){
			googlers = Integer.parseInt(input.get(i).get(0).get(0));
			surprise = Integer.parseInt(input.get(i).get(0).get(1));
			p = Integer.parseInt(input.get(i).get(0).get(2));
			res = 0;
			scoreOk = p*3;
			
			nbOk = 0;
			potentialSurp = 0;
			nbSurp = 0;
			if(p == 0){
				System.out.println("Case #" + (i+1) + ": " + googlers);
			}
			else{
				for(int x = 3; x < googlers + 3; x++){
					int score = Integer.parseInt(input.get(i).get(0).get(x));
					if( (score > 0) && (score >= (scoreOk - 2)) ){
						nbOk++;
					}
					else if( (score > 0) && (score >= (scoreOk - 4)) ){
						potentialSurp++;
					}
				}
				nbSurp = Math.min(potentialSurp, surprise);
				res = nbOk + nbSurp;
				System.out.println("Case #" + (i+1) + ": " + res);
			}
		}
	}
}
