#include <iostream>
#include <fstream>
#include <string>
using namespace std;
string x;
int s,s1;
int main()
{
    ifstream f("text.in");
    ofstream g("text.out");
    while(f>>x)
    {
    s++;
    f.get();
    if(x[0]<'A' || (x[0]>'Z' && x[0]<'a') || x[0]>'z') s--;
    cout<<x<<" ";
    for(int i=0;i<x.size();i++)
        {
         if((x[i]>='A' && x[i]<='Z') || (x[i]>='a' && x[i]<='z')) s1++;
        }
    }
    s++;
    g<<s1/s;
    return 0;
}