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.*;

class Main
{
	public static void main(String[] args) throws Exception
	{
		Main m = new Main();
		m.foo();
	}
	
	long count = 0;
	void foo() throws Exception
	{
//		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		Scanner s = new Scanner(System.in);
		
		int T = s.nextInt();
		int testNum = 1;
		while(T-->0)
		{
			int numGooglers = s.nextInt();
			int numSurprises = s.nextInt();
			int p = s.nextInt();
			
			int[] scores = new int[numGooglers];
			for(int k=0; k<scores.length; k++)
			{
				scores[k] = s.nextInt();
			}
			
			Arrays.sort(scores);
			
			int ret = 0;
			for(int k=0; k<scores.length; k++)
			{
				int sc = scores[k];
				
				if(sc < p)
					continue;
				
				int d = sc/3;
				int r = sc%3;
				//System.out.printf("sc: %d, d: %d, r: %d\n", sc, d, r);
				
				if(r==0)
				{
					if(d >= p)
					{
						ret++;
						continue;
					}
					// TODO: Handle a surprise
					if(d+1 >= p && numSurprises != 0)
					{
						ret++;
						numSurprises--;
						continue;
					}
				}
				else if(r==1)
				{
					if(d+1 >= p)
					{
						ret++;
						continue;
					}
					// TODO: Handle a surprise
					// I can't.
				}
				else if(r==2)
				{
					if(d+1 >= p)
					{
						ret++;
						continue;
					}
					// TODO: Handle a surprise
					if(d+2 >= p && numSurprises != 0)
					{
						ret++;
						numSurprises--;
						continue;
					}
				}
				
			}
			//ret += numSurprises;
			//ret -= Math.max(0, numSurp - numSurprises);
			
			//System.out.printf("Known surprises: %d, Found surprises: %d\n", numSurprises, numSurp);
			System.out.printf("Case #%d: %d\n", testNum, ret);
			testNum++;
		}
	}
}