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;
    }
}



public class Googler implements Comparable<Googler> {
	int score1;
	int score2;
	int score3;
	int total;
	int id;
	int modulus;
	int added;
	
	public Googler(int id,int totalArg){
		this.id = id;
		total = totalArg;
		score1=score2=score3=total/3;
		modulus = total%3;
		if(modulus>0){
			score1++;
			modulus--;
		}
		if(modulus>0){
			score2++;
			modulus--;
		}
		added =0;
	}
	
	public boolean passes(int base){
		if(score1 >= base || score2 >= base || score3 >= base)
			return true;
		return false;
	}

	public void modify(){
		if(total>1 ){
			if(score1 == score2){
				score1++;
				score2--;
				added=1;
			}
		}
	}
	@Override
	public int compareTo(Googler arg0) {
		if(this.score1<arg0.score1){
			return 1;
		}else if(this.score1==arg0.score1){
			return 0;
		}else
			return -1;
	}
	
	public String toString(){
		return "id "+id +" scores " +score1 + " "+ score2 + " " + score3 +" total "+total+"\n"; 
		
	}
	
	public boolean checkState(){
		if(score1-score2>2){
			return false;
		}
		
		if(score1-score3>2){
			return false;
			
		}
		if(score2-score3>2){
			return false;
		}
		return true;
	}
}
