#include<iostream>
using namespace std;
#include<stdio.h>
#include<string.h>
FILE *f,*g;
char s[100000],s1[100000];
int n,nrcuvinte=1,i,j,lungimemedie,x;
long lungime;
int main()
{
    f=fopen("text.in","r");
    g=fopen("text.out","w");
    while(!feof(f))
    {
        fgets(s1,100,f);
        n=strlen(s);
        strcpy(s+n,s1);
        n=strlen(s);
    }
    for(i=0;i<n;i++)
    if(s[i]=='\n')
    s[i]=' ';
    n--;
for(i=0;i<n;i++)
if((s[i]>='a'&&s[i]<='z')||(s[i]>='A'&&s[i]<='Z'))
lungime++;
for(i=0;i<n;i++)
if(s[i]==' '||s[i]==','||s[i]=='-'||s[i]=='!'||s[i]=='?'||s[i]=='.')
{nrcuvinte++;
while(s[i]==' '||s[i]==','||s[i]=='-'||s[i]=='!'||s[i]=='?'||s[i]=='.')
i++;
}
cout<<nrcuvinte;
fprintf(g,"%d",lungime/nrcuvinte);
}