#include <bits/stdc++.h>
using namespace std;
#define mod 998244353
#define MOD 1000000007
#define inf 2000000000
#define INF 8000000000000000000
int main(){
    int n;cin >> n;
    int cnt = 0;
    vector<vector<char>> vec(n,vector<char>(n));
    for(int i = 0;i<n;i++){
        for(int j = 0;j<n;j++){
            cin >> vec[i][j];
            if(vec[i][j] == '#')cnt++;
        }
    }
    bool tf = false;
    if(n%2 == 0 && cnt%2 == 0)tf = true;
    else if(n&1)tf = true;
    if(tf){
        cout << "Yes" << endl;
    }else{
        cout << "No" << endl;
    }
}