#include<iostream>
#include<fstream>
#include<string>
using namespace std;
int main()
{
    ifstream f("text.in");
    ofstream f1("text.out");
    string sir;
    unsigned long long nr_cuvinte=0,indice=0;
    char c;
    while(!f.eof())
    {
        f>>c;
        indice++;
        sir.push_back(c);
        if (((c>='a' && c<='z') || (c>='A' && c<='Z')) && ((sir[indice-1]<'a' && sir[indice-1]>'Z') || (sir[indice-1]<'A') || (sir[indice-1]>'z'))) nr_cuvinte++;
    }
    f1<<sir.size()/nr_cuvinte;
    return 0;
}