package codejam;

import fixjava.Pair;

public class Utils {

	public static long minLong(long firstVal, long... otherVals) {
		long minVal = firstVal;
		for (int i = 0; i < otherVals.length; i++)
			minVal = Math.min(firstVal, otherVals[i]);
		return minVal;
	}

	public static int minInt(int firstVal, int... otherVals) {
		int minVal = firstVal;
		for (int i = 0; i < otherVals.length; i++)
			minVal = Math.min(firstVal, otherVals[i]);
		return minVal;
	}

	public static float minFloat(float firstVal, float... otherVals) {
		float minVal = firstVal;
		for (int i = 0; i < otherVals.length; i++)
			minVal = Math.min(firstVal, otherVals[i]);
		return minVal;
	}

	/**
	 * ArgMin returned as a Pair<Integer, Integer>(index, value). Array must
	 * have at least one value.
	 */
	public static Pair<Integer, Integer> argMin(int[] arr) {
		int min = arr[0];
		int argMin = 0;
		for (int i = 1; i < arr.length; i++) {
			if (arr[i] < min) {
				min = arr[i];
				argMin = i;
			}
		}
		return new Pair<Integer, Integer>(argMin, min);
	}

	/**
	 * ArgMax returned as a Pair<Integer, Integer>(index, value). Array must
	 * have at least one value.
	 */
	public static Pair<Integer, Integer> argMax(int[] arr) {
		int max = arr[0];
		int argMax = 0;
		for (int i = 1; i < arr.length; i++) {
			if (arr[i] > max) {
				max = arr[i];
				argMax = i;
			}
		}
		return new Pair<Integer, Integer>(argMax, max);
	}

}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;


public class Dancing {
	
	public static void main(String[] args) throws IOException {
		
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		
		int cases = Integer.parseInt(in.readLine());
		for (int i = 1; i <= cases; i++) {
			String[] inp = in.readLine().trim().split(" ");
			int N = Integer.parseInt(inp[0]);
			int S = Integer.parseInt(inp[1]);
			int p = Integer.parseInt(inp[2]);
			List<Integer> scores = new ArrayList<Integer>();
			for (int j = 3; j < N+3; j++) {
				scores.add(Integer.parseInt(inp[j]));
			}
			int out = 0;
			Collections.sort(scores);
			Collections.reverse(scores);
			int j=0;
			while(j<N && scores.get(j)>=(3*p-2)) { out++; j++; }
			if(p>1) while(j<N && scores.get(j)>=(3*p-4) && S>0) { out++; j++; S--; }
			System.out.println("Case #"+i+": "+out);
		}
	}
	
}
