import java.util.Scanner;
import java.util.ArrayList;
import java.io.FileNotFoundException;
import java.io.*;
/**
 * Chris Pfeiffer, APCS P. 7
 * Ch14 Quiz
 */
public class Wordcount
{
    public static void main() throws IOException
    {
        File file = null;
        Scanner in = null;
        String line = null, word1, word2;
        int wordLen = 0, lenLine = 0, totalLen = 0, counter = 0, avg = 0, index = 0;

        try
        {
            file = new File("source.txt");
            in = new Scanner(file);
        }
        catch(FileNotFoundException ex)
        {
            System.out.println("CANNOT OPEN FILE");
            System.exit(1);
        }

        int len1 = 0, len2 = 0;
        while(in.hasNext())
        {
            line = in.next();
            lenLine = line.length();

            counter++;


            for(int i = 0; i < lenLine; i++)
            {
                if(!Character.isLetterOrDigit(line.charAt(i)))
                {
                    word1 = line.substring(0, i);
                    word2 = line.substring(i + 1, lenLine);
                    len1 = word1.length();
                    len2 = word2.length();
                    counter++;
                }
            }

            if(len1 != 0 || len2 != 0)
            {
            	totalLen += len1;
            	totalLen += len2;
            }
            else
            	totalLen +=lenLine;

        }

        avg = (int) totalLen/counter;

        System.out.println("Number of words: " + counter + " Average length: " + avg);

        in.close();
    }
}