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.InputStreamReader;

public class DancingWiththeGooglers {
	BufferedReader reader;
	char [] charInput;
	String [] inputArray;
	int index;
	DancingWiththeGooglers()throws Exception{
		String input=null;
		reader = new BufferedReader(new InputStreamReader(System.in));
		while(reader.ready()){
			if (input==null){
				input =reader.readLine();
			}
			else{
				input =input+ " " + reader.readLine();
			}
		}
		inputArray=input.trim().split(" ");
		index=0;
	}
	String nextInput()throws Exception{
		if(index<inputArray.length){
			int temp=index;
			index++;
			return inputArray[temp];
		}
		else{
			return "\0";
		}
	}
	void start()throws Exception{
		int numCases=Integer.parseInt(nextInput());
		int googlers;
		int surprising;
		int best;
		int total;
		int maxBest=0;
		for(int i=0;i<numCases;i++){
			googlers=Integer.parseInt(nextInput());
			surprising=Integer.parseInt(nextInput());
			best=Integer.parseInt(nextInput());
			for(int j=0;j<googlers;j++){
				total=Integer.parseInt(nextInput());
				if(((double)total)/3>(best-1)){
					maxBest++;
				}
				else if(total%3!=1 && ((double)total)/3>(best-2) && total<28 && total>1){
					if (surprising>0){
						maxBest++;
						surprising--;
					}
				}
			}
			System.out.printf("Case #%d: %d", i+1,maxBest);
			if (i!=numCases-1){
				System.out.println();
			}
			maxBest=0;
		}
	}
}

