misha_sr5

#include <iostream>
#include <string>

using namespace std;

int main(void) {
    string str;
    getline(cin, str);
    int k, count = 0;
    cin >> k;

    bool space = true;
    for (int i = 0; i < str.size(); i ++) {
        if (space && str[i] != ' ') {
            count ++;
            space = false;
        }
        else if (!space && str[i] == ' ')
            space = true;
        if (i == k) {
            cout << count <<endl;
            return 0;
        }
    }
    cout << "error" <<endl;
    return 1;
}