#include <atcoder/all>
#include <bits/stdc++.h>
#define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
using namespace atcoder;
using namespace std;

typedef long long ll;

void solve() {
    int n;
    cin >> n;
    int sm = 0;
    rep(i, 0, n) rep(j, 0, n) {
        char c;
        cin >> c;
        sm += (c == '#');
    }
    bool ok = 0;
    ok |= n % 2;
    ok |= sm % 2 == 0;
    cout << (ok ? "Yes" : "No") << '\n';
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1;
    while (t--) {
        solve();
    }
}