#include //#include using namespace std; //using namespace atcoder; #define all(v) v.begin(),v.end() using ll = long long; using ull = unsigned long long; using lll = __int128; using vll=vector; using vvll = vector>; using P = pair; using vp=vector>; //using mint=modint1000000007; //using mint=modint998244353; const ll INF=1ll<<60; ll mod10=1e9+7; ll mod99=998244353; const double PI = acos(-1); #define rep(i,n) for (ll i=0;i=0;--i) #define rep2(i,a,n) for (ll i=a;i=n;--i) templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b>N; vector S(N);rep(i,N) cin>>S[i]; ll cnt=0;rep(i,N) rep(j,N) cnt+=(S[i][j]=='#'?1:0); cout << ((cnt%2==0||N%2==1)?"Yes":"No") << endl; return 0; } int main(){ cin.tie(0); ios::sync_with_stdio(false); ll T=1;//cin>>T; rep(i,T) solve(); }