#include using namespace std; using ll=long long; using ld=long double; const ll ILL=2167167167167167167; const int INF=2100000000; #define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++) #define all(p) p.begin(),p.end() template using _pq = priority_queue, greater>; template ll LB(vector &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template ll UB(vector &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;} template bool chmax(T &a,T b){if(a void So(vector &v) {sort(v.begin(),v.end());} template void Sore(vector &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;} template void vec_out(vector &p,int ty=0){ if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'< T vec_min(vector &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;} template T vec_max(vector &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;} template T vec_sum(vector &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;} int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;} template bool inside(T l,T x,T r){return l<=x&&x; struct edge{ int to; len_type length; }; len_type dijkstra_movement(edge e,int from,len_type t){ return {t.first + e.length.first, t.second + e.length.second}; } vector dijkstra(vector> &G,int start,len_type inf){ int M=G.size(); assert(M>start&&start>=0); vector seen(M,inf); seen[start]={0, 0}; priority_queue,vector>,greater>> pq; pq.push({{0, 0},start}); while(!pq.empty()){ len_type time; int ver; tie(time,ver)=pq.top(); pq.pop(); if(seen[ver]> t; rep(i, 0, t) solve(); } void solve(){ int H, W; cin >> H >> W; vector S(H); rep(i, 0, H) cin >> S[i]; vector> G(H * W); rep(i, 0, H) rep(j, 0, W - 1){ if (S[i][j] == '.' && S[i][j + 1] == '.'){ int a = i * W + j; int b = i * W + j + 1; G[a].push_back({b, {1, 0}}); G[b].push_back({a, {1, 0}}); } } rep(i, 0, H - 1) rep(j, 0, W){ if (S[i][j] == '.' && S[i + 1][j] == '.'){ int a = i * W + j; int b = i * W + j + W; G[a].push_back({b, {0, 1}}); G[b].push_back({a, {0, 1}}); } } auto seen = dijkstra(G, 0, {INF, INF}); if (yneos(seen.back().second != INF)){ cout << seen.back().first << " " << seen.back().second << "\n"; } }