#include <fstream>
# include <cstdlib>
# include <stdlib.h>
# include <iostream>
# include <iomanip>
using namespace std;

ifstream in_file;
ofstream out_file;

int main()
{
char word = 0;
int letter_count = 0;
int word_count = 0;
double average;

	in_file.open("document.txt");
	

	if (in_file.fail())
	{
		cout << "The file document.txt did not open." << endl;
		exit(1);
	}
	
	do
	{
		while ((word != '.') && (word != ',') && (word != ' ') && (word != '\n'))
			{
				if ((word != '.') && (word != ',') && (word != ' ') && (word != '\n'))
				{
					letter_count++;
				}
				in_file.get(word);
			}
		in_file.get(word);
		if ((word != '.') && (word != ',') && (word != ' ') && (word != '\n'))
		{
			word_count++;
		}
	} while (!in_file.eof());
	
	average = letter_count / word_count;
	cout << "The average is " << average << endl;
	in_file.close();

	return 0;
}