#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using namespace atcoder;
typedef long long ll;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
static const double pi = 3.141592653589793;
const ll INF = 1LL << 60;
const ll mod = 1000000007;
const ll imod = 998244353;
using mint = modint998244353;
vector<int> dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1};
ll P(ll x, ll n) {
  ll ret = 1;
    while (n > 0) {
      if (n & 1) ret *= x;
      x *= x;
      n >>= 1;
  }
  return ret;
}

void seek(bool f){
  cout << (f ? "Yes" : "No") << endl;
}

int main(){
	int N;
	cin >> N;
	char A[N][N];
	int b = 0;
	rep(i, N){
		rep(j, N){
			cin >> A[i][j];
			b += (A[i][j] == '#');
		}
	}
	if(N % 2 == 1){
		cout << "Yes" << endl;
	}
	else{
		if(b % 2 == 0){
			cout << "Yes" << endl;
		}
		else{
			cout << "No" << endl;
		}
	}
}