#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
using ll = long long;
using pll = pair<ll, ll>;

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);

  int n, c = 0;
  cin >> n;
  for (int i = 0; i < n; i++) {
    string s;
    cin >> s;
    for (auto e: s) c += (e == '#');
  }
  if (n%2) {
    cout << "Yes";
  } else {
    if (c%2) cout << "No";
    else cout << "Yes";
  }
}