string s;

while ( !fin.eof() )
    {
            if ( fin.peek() == ' ' ) 
            {
"                 fin.get();
                 s += ' ';
            }
            else
            {
                fin >> ch;
                s += ch;
            }
    }
for ( i = 0; i < s.size(); ++i )
    {
          if ( isalpha( s[i] ) || s[i] == ' ' || s[i] == '-' ) rez += s[i];
    }
istringstream st;
st.str( prov );
string ss;
while ( st >> ss )
{
    sol.push_back( ss );
}
    for ( j = 0 ;j < sol.size(); ++j )
{
            lungime += sol[j].size();//fout << sol[j] << " ";
            nrc++;
}
    ok = (int)(lungime/nrc);
    fout << ok << "\n";