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.util.Scanner;

public class B {

	/**
	 * @param args
	 */
	public static void main(String[] args) {

		Scanner in = new Scanner(System.in);

		int T = in.nextInt();

		in.nextLine();

		for (int i = 1; i <= T; i++) {

			int numDancers = in.nextInt();
			int numSurprisingTriplets = in.nextInt();
			int p = in.nextInt();
			int triplet, div, mod;
			int res = 0;

			for (int j = 0; j < numDancers; j++) {
				triplet = in.nextInt();

				div = triplet / 3;
				mod = triplet % 3;

				if (triplet != 0) {
					if (div >= p)
						res++;
					else {
						if (mod != 0) {
							div++;
							if (div >= p)
								res++;
							else {
								mod--;
								if (mod != 0) {
									div++;
									if (div >= p && numSurprisingTriplets > 0) {
										res++;
										numSurprisingTriplets--;
									}
								}
							}
						} else {
							div++;
							if (div >= p && numSurprisingTriplets > 0) {
								res++;
								numSurprisingTriplets--;
							}
						}
					}

				}
				else
					if (p == 0)
						res++;
			}
			System.out.println("Case #" + i + ": " + res);
		}
	}

}
