#include "stdio.h"
#include "ctype.h"
int main()
{
	int i=0,nrcuv=0,nrlit=0;
	char ch=' ',chsecund=' ';
	FILE *f=fopen("text.in","r");
	FILE *g=fopen("text.out","w");
	while(!feof(f)){
		chsecund=ch;
		ch=fgetc(f);
		if(isalpha(ch)) nrlit++;
		if(isalpha(chsecund)&& !(isalpha(ch))) nrcuv++;
	}
	fprintf(g,"%d",nrlit/nrcuv);
	fclose(f);
	fclose(g);
	return 0;
}