#include <stdio.h>
#include <string.h>

int main()
{
    int red=0, n, i, brZbor, prosek, counter=0;
    char str[100];
    int niza[100];
    FILE *fin;
    FILE *fout;

    if((fin=fopen("vlez.txt","r"))==NULL)
       {
           printf("Ne postoi.");
           exit(1);
       }
    if((fout=fopen("izlez.txt", "w"))==NULL)
        {
            printf("Ne postoi.");
            exit(1);
        }

        for(i=0; i<100; i++)
        {
                niza[i]=0;
        }

    while(fgets(str, 80, fin)!=NULL)
    {
        n=strlen(str);
        i=0;
        while(i<n)
        {
            if(isalnum(str[i]))
            {
                brZbor=0;
                while(i<n && isalnum(str[i]))
                {
                    i++;
                }
                brZbor++;
            }
            else
            {
                i++;
            }
        }
        niza[red]=brZbor;
        red++;
    }
        prosek=brZbor/red;

        for(i=0; i<red; i++)
        {
            if(niza[i]<prosek)
            {
                counter++;
            }
        }
        fprintf(fout, "%d", counter);
        fclose(fin);
        fclose(fout);
        return 0;
    }