#include <fstream>
using namespace std;
ifstream f("text.in");
ofstream g("text.out");
int nrlc=0,s,nrcuv=0;
char c;
///0 corespunde unui separator , iar ok=1 corespunde unei litere
int main()
{
    while (!f.eof())
    {
        f.get(c);
        if (c>='a' && c<='z' || c>='A' && c<='Z')
            nrlc++;
        else
        {
            s=s*nrlc;
              if (nrlc!=0)nrcuv++;
            nrlc=0;
        }
        g<<s/nrcuv;
        return 0;
    }
}