#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
    int n;
    cin >> n;
    vector<string> s(n);
    for (int i = 0; i < n; ++i) cin >> s[i];
    int ans = 0;
    int cnt = 0;
    for (int i = 0; i < n; ++i) for (auto c : s[i]) if (c == '#') ++cnt;
    if (n % 2 || cnt % 2 == 0) ans = 1;
    cout << (ans ? "Yes" : "No") << endl;
}