import jave.io.File;
import java.io.FileNotFoundException;

import java.util.Scanner;

public class Stats
{
    private static final String FILE_NAME = "numbers.txt";
    private int length = 0;

    public static void main (String[] args)
    {
        Stats test = new Stats();
        test.lengthCheck();
    }

    public void length()
    {
        try {
            Scanner keys = new Scanner(new File(FILE_NAME));
        } catch (FileNotFoundException ex) {
            System.out.println(ex.toString());
        }

        while(keys.hasNextInt()) {
            length++;
            System.out.print(length);
        }
    }
}