/*
 * 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.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;


public class Try2 {

	/**
	 * @param args
	 */
	static BufferedWriter out;
	static String inputFile = "input";
	static String outputFile = "out.txt";
	
	public static void main(String[] args) {
		File file = new File(inputFile);
		if (file.exists()) {
			try {
				BufferedReader inFile = new BufferedReader(new FileReader(file));
				FileWriter fstream = new FileWriter (outputFile);
				out = new BufferedWriter (fstream);
				String sLine = null;
				int counter = 0;
				while ((sLine=inFile.readLine())!=null) {
					if (counter > 0) {
						out.write("Case #" + counter + ": ");
							
						handleIt(sLine);
					}
					counter++;
				}
				out.close();
			} catch (Exception e) {System.err.println(e);}
			
			
		}

	}
	private static void handleIt(String sLine) throws Exception{
		String [] array;
		array = sLine.split(" ");
		int numGooglers = Integer.parseInt(array[0]);
		int numSurprises = Integer.parseInt(array[1]);
		int N = Integer.parseInt(array[2]);
		int result = 0;
		for (int i=0; i<numGooglers; i++) {
			
			int currentNum = Integer.parseInt(array[i+3]);
			if (currentNum == 1) {
				if (N > 1)
					continue;
				result++;
			}
			else if (currentNum == 0) {
				if (N > 0)
					continue;
				result++;
			}
			else if (currentNum >= 3*N-2)
				result++;
			else if (currentNum == 3*N-3 || currentNum == 3*N-4) {
				if (numSurprises > 0) {
					numSurprises--;
					result++;
				}
				
			}
			
		}
		out.write(result+'0');
		
		out.newLine();
	}

}
