#include<iostream>
#include<fstream>
using namespace std;
int main(){
	ifstream f("text.in");
	ofstream g("text.out");
	char a,b;
	int count = 0, word = 0;
	int next=0;

	while (!f.eof()){
		b = f.get();
		if (b >= 'a' && b <= 'z' || b >= 'A' && b <= 'Z'){
			count++;
			if(next==0){
				word++;
				next=1;
			}

		}
		else
			next=0;
	}




	return 0;
}