#include<stdio.h>
#include<string.h>
long i,r;
char s[1000];
int main()
{
	freopen("text.in","r",stdin);
	freopen("text.out","w",stdout);
	gets(s);
	for (i=0;i<=strlen(s);i++)
		if (s[i]==' '&&s[i+1]!=' ')
			r++;
	printf("%ld",strlen(s)/r);
}