#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;
ifstream f("text.in");
ofstream g("text.out");
int main()
{
    char s[256];
    int ct=0,cu=0;
    f.get(s,256);
    for(int i=0;i<strlen(s);i++)
        {
            if(strchr("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",s[i]))
                ct++;
            if(s[i+1]==' ' || s[i+1]=='\0' && ((s[i]>97 && s[i]<127) || (s[i]>65 &&s[i]<97)))
                cu++;
        }
    g<<ct<<" "<<cu<<"\n";
    g<<ct/cu;
    f.close();
    g.close();
    return 0;
}