#include <iostream>
#include <string>
#include <stdlib.h>

using namespace std;

int
main() {
        // mi(-)*n
        int j = 2;
        int i = 0;
        string s;
        cin >> s;
        while (1) {
                for (; s[j] == '-'; j++);     
                j++;
                i++;
                if (s[j] == '\n') cout << i << endl;
                j += 2;
        }

        return 0;
}