#define _CRT_SECURE_NO_WARNINGS
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>

using namespace std;

FILE *textin = fopen("in.txt", "r");
FILE *textout = fopen("out.txt", "w");
int c = 0, n = 0, g = 1;
char ch;

int main()
{
	while (!feof(textin))
	{
		ch = fgetc(textin);
		if (isalpha(ch))
		{
			while (isalpha(ch))
			{
				ch = fgetc(textin);
				c++;
			}
			n++;
		}

	}
	fclose(textin);
	
	g = (int)c / n;

	printf("\n%d\n", g);

	fprintf(textout, "%d", g);
	fclose(textout);

	return 0;
}