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;
    }
}



/**
 * Name: Shivam99
 * email: shivthedestroyer99@gmail.com
 */

import java.io.*;

public class ProblemB
{
    public static void main(String[] args) throws IOException{
        FileReader fr=new FileReader(args[0]);
        BufferedReader br=new BufferedReader(fr);
        String str=br.readLine();
        int t=Integer.parseInt(str);
        String ss="";
        int c=1;
        while(c<=t){
            str=br.readLine();
            int n=0,s=0,p=0,surp=0,count=0,ans=0;
            int arr[]=new int[100];
            String word="";
            
            for(int ind=0;ind<str.length();ind++){
                char ch=str.charAt(ind);
                if(ch!=' ')
                    word+=ch;
                else{
                    count++;
                    int num=Integer.parseInt(word);
                    if(count==1){
                        n=num;
                        arr=new int[n];
                    }
                        else
                        if(count==2)
                            s=num;
                            else
                            if(count==3)
                                p=num;
                                else
                                arr[count-4]=num;
                    word="";              
                }
            }
            
            arr[count-3]=Integer.parseInt(word);
            int min=p+p+p-4;
            ss+="Case #"+c+": ";

            for(int ind=0;ind<arr.length;ind++){
                if(arr[ind]>=p && arr[ind]>=min)
                    ans++;
                if(arr[ind]==(min) || arr[ind]==(min+1))
                  if(arr[ind]>1)
                    surp++;
            }

           if(s<surp)
               ans=ans+s-surp;
           ss+=ans+"\n";
           c++;
        }
       System.out.print(ss);
       br.close();
       fr.close();
    }
}