ahhh

int main()
{
    int n;
    int m;
    cin >> n >> m; cin.ignore();
    int s;
    cin >> s; cin.ignore();
    int b;
    for (int i = 0; i < n; i++) {
        string row;
        getline(cin, row);

        for(int m = 0; m < row.length(); m++) {
            if(row[m] == 'o') {
                b++;
                break;
            }
        }
    }

    // Write an answer using cout. DON'T FORGET THE "<< endl"
    // To debug: cerr << "Debug messages..." << endl;

    cout << b << endl;
}