#include <bits/stdc++.h>

using namespace std;

int n;
string str, strn;
int cnt = 0;

int main() {
    getline(cin, strn);
    n = stoi(strn);
    getline(cin, str);
    for (int i = 0; i < n; i++) 
        if (str[i] != ' ' && str[i] != '\n') 
            cnt++;
    cout << cnt << endl;
    return 0;
}