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

int main() {
    int N;
    cin >> N;

    int cnt = 0;
    for (int i = 0; i < N; i++) {
        string a;
        cin >> a;
        cnt += count(a.begin(), a.end(), '#');
    }

    if (N % 2 == 1 || cnt % 2 == 0) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
}