#include <iostream>
#include <vector>
#include <limits>
#include<string>
using namespace std;
int main() {
    int a;
    string b;
    cin >> a;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');
    getline(cin, b);
    b = b.substr(0, a);
    int c = 0;
    for (char d : b) {
        if (d != ' ') {
            c++;
        }
    }
    cout << c;
    return 0;
}
//输入a,b然后直接历遍非空输出结果