#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector<string> g(n);
    for (int i = 0; i < n; i++) cin >> g[i];
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (g[i][j] == '-') {
                g[i][j] = 'o';
                g[j][i] = 'x';
            }
        }
    }
    int rank = 1;
    int win_0 = 0;
    for (int i = 0; i < n; i++) {
        if (g[0][i] == 'o') win_0++;
    }
    for (int i = 1; i < n; i++) {
        int win_i = 0;
        for (int j = 0; j < n; j++) {
            if (g[i][j] == 'o') win_i++;
        }
        if (win_0 < win_i) rank++;
    }
    cout << rank << endl;

    return 0;
}