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

int main()
{
    FILE *pf,*pg;
    pf=fopen("text.in","r");
    pg=fopen("text.out","w");

    char s;

    int k1=0,k2=0,ok=0;
    while (!feof(pf))
        {fscanf(pf,"%c",&s);
        if (isalpha(s))
            {k1++;
            ok=1;
            }
        else if (ok)
            {k2++;
            ok=0;}}
    fprintf(pg,"%d",k1/k2);

    return 0;
}