#include<bits/stdc++.h>
using namespace std;
using ll=long long;

void solve(){
	ll N;
	cin>>N;
	ll cnt=0;
	for(int i=0;i<N;i++){
		string S;
		cin>>S;
		for(auto s:S)if(s=='#')cnt++;
	}
	cout<<(N%2==1||cnt%2==0?"Yes":"No")<<endl;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
	
	ll T=1;
	// cin>>T;
	while(T--)
	solve();

}