#include<fstream>
#include<ctype.h>
using namespace std;

int main()
{
    char a ; 
    int i = 0 , j = 0 , k = 0 ;
    ifstream fi ( "text.in" ) ;
    ofstream fo ( "text.out" ) ;
    
    while ( ! fi .eof () )
    {
          fi .get ( a ) ;
          if( isalpha ( a ) )
          {
              i ++ ;
              k = j + 1;
          }    
          else
              j = k ;
    }
    fo << i / j ;
    fi .close () ;
    fo .close () ;
}