#include <bits/stdc++.h>
using namespace std;
string s;
int main() {
	while (cin >> s) {
		int l = s.size(), ans = l;
		for (int i = 1; i <= l; i++) {
			if (s[i] == ' ' || s[i] == '\n') {
				ans--;
			}
		}
		cout << ans;
	}
	return 0;
}

样例也过了，就最后4个数据点不对