#include <fstream>

std::ifstream in ("text.in"); std::ofstream out ("text.out");

int main(){

    int size{0}, words{0};
    bool cuvant=false;
    char litera;

    while(in.get(litera)){
        if(isalpha(litera)){
            ++size;
            cuvant=true;
        }
        else{
            if(cuvant) ++words;
            cuvant=false;
        }
    }
    out<< (size/words);
}