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

int main()
{
FILE * f=fopen("text.in","rt"),*g=fopen("text.out","wt");
float nrcuv=0,nrlitere=0;
char c;
int C=0;

for (;;)

{
    fscanf(f,"%c",&c);
    
    if ('A' <= c && c <= 'z') { nrlitere++; C=1; }
    else if (C) { nrcuv++; C=0; }  
         
    if (c == EOF) break;
}

fprintf(g,"%i",nrlitere/nrcuv);
fclose(f); fclose(g);
}