#include<stdio.h>
#include<string.h>
int main()
{
char c;
int litere=0,cuvinte=0,ok=0;
FILE *f=fopen("text.in","r"),*g=fopen("text.out","w");

while( (c=fgetc(f))!=EOF )
{
	if(c>='a'&&c<='z' || c>='A'&&c<='Z')
	    litere++,ok=1;
	        // ok=1 => parcurg un cuvant
	        
	else // daca nu e litera
	    if(ok)
	    cuvinte++,ok=0; // s-a termiant cuvantul
}

fprintf(g,"%d",litere/cuvinte);
}