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

using ll = long long;

int main() {
  int N;
  cin >> N;
  int cnt = 0;
  for(int i = 0; i < N; i++) {
    string s;
    cin >> s;
    for(char c : s) cnt += (c == '#');
  }
  cout << (N % 2 == 1 || cnt % 2 == 0 ? "Yes" : "No") << endl;
}