#include using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int H,W; cin >> H >> W; vector S(H); for(auto &s : S) cin >> s; vector>> dist(H,vector>(W,{1001001001,-1})); dist.at(0).at(0) = {0,0}; deque> Q; Q.push_back({0,0}); vector> dxy = {{-1,0},{0,1},{1,0},{0,-1}}; while(Q.size()){ auto [x,y] = Q.front(); Q.pop_front(); auto [cx,cy] = dist.at(x).at(y); for(auto [dx,dy] : dxy){ if(dy != 0) cx++; else cy++; int nx = x+dx,ny = y+dy; if(nx < 0 || ny < 0 || nx >= H || ny >= W){} else if(S.at(nx).at(ny) != '#'){ if(dist.at(nx).at(ny) > make_pair(cx,cy)){ dist.at(nx).at(ny) = {cx,cy}; if(dy) Q.push_back({nx,ny}); else Q.push_front({nx,ny}); } } if(dy != 0) cx--; else cy--; } } if(dist.at(H-1).at(W-1).first != 1001001001){ cout << "Yes\n"; auto [X,Y] = dist.at(H-1).at(W-1); cout << X << " " << Y << endl; } else cout << "No\n"; }