/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.common;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;

class Factory implements TestCaseFactory {

	@Override
	public TestCase getInstance(int number) {
		return new DancingWithGooglers(number);
	}
}

public class DancingWithGooglers extends TestCase {

	int caseItem;

	int ngooglers;
	int[] scores;
	int surprising;
	int target;

	int max;

	public DancingWithGooglers(int caseItem) {
		this.caseItem = caseItem;
	}

	@Override
	public void readInput(BufferedReader in) throws IOException,
			MalformedInputFileException {
		final String str1 = in.readLine();
		final String[] tokens = str1.split("\\s");
		ngooglers = Integer.parseInt(tokens[0]);
		surprising = Integer.parseInt(tokens[1]);
		target = Integer.parseInt(tokens[2]);
		scores = new int[ngooglers];
		for (int i = 0; i < ngooglers; i++) {
			scores[i] = Integer.parseInt(tokens[i + 3]);
		}
	}

	private int guaranteedMax(int googler) {
		if (scores[googler] == 0) {
			return 0;
		} else {
			return (scores[googler] - 1) / 3 + 1;
		}
	}

	private int higherScores(int googler) {
		if (scores[googler] == 3) {
			return 0;
		} else {
			return (scores[googler] - 1) % 3 + 1;
		}
	}

	@Override
	public void solve() {
		int guaranteed = 0;
		int marginal = 0;
		for (int googler = 0; googler < ngooglers; googler++) {
			final int guaranteedMax = guaranteedMax(googler);
			if (guaranteedMax >= target) {
				guaranteed++;
			} else if (guaranteedMax == target - 1
					&& higherScores(googler) >= 2 && scores[googler] > 0) {
				marginal++;
			}
		}
		max = guaranteed + Math.min(marginal, surprising);
	}

	@Override
	public void writeOutput(PrintWriter out) {
		out.print("Case #" + (caseItem + 1) + ": ");
		out.print(max);
		out.print("\n");

	}

	public static void main(String[] args) throws IOException,
			MalformedInputFileException {
		new Processor().process(new Factory(), args[0], args[1]);
	}
}