UVa 494 - Kindergarten Counting Game

// UVa 494 - Kindergarten Counting Game

#include <iostream>
using namespace std;

int main() {

	string line;
	while (getline(cin, line)) {
		int words = 0;
		bool previousletter = false;
		for (int i = 0; i < line.length(); i++) {
			bool nowletter = line[i] >= 'A' && line[i] <= 'Z' || line[i] >= 'a' && line[i] <= 'z';
			if (nowletter && !previousletter)
				words++;
			previousletter = nowletter;
		}
		cout << words << endl;
	}

	return 0;
}