#include namespace { #pragma GCC diagnostic ignored "-Wunused-function" #include #pragma GCC diagnostic warning "-Wunused-function" using namespace std; using namespace atcoder; #define rep(i,n) for(int i = 0; i < (int)(n); i++) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--) #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) template bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; } template bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; } using ll = long long; using P = pair; using VI = vector; using VVI = vector; using VL = vector; using VVL = vector; constexpr long long INF = 1002003004005006007; vector dijkstra(const auto& to, int s = 0) { struct QueElem { int v; long long d; bool operator<(const QueElem& a) const { return d > a.d; } QueElem(int v, long long d) : v(v), d(d) {} }; priority_queue q; vector dist(to.size(), INF); dist[s] = 0; q.emplace(s, 0); while (!q.empty()) { auto [u, d] = q.top(); q.pop(); if (d > dist[u]) continue; for (auto [v, dv] : to[u]) { long long nd = d + dv; if (nd < dist[v]) { dist[v] = nd; q.emplace(v, nd); } } } return dist; } } int main() { ios::sync_with_stdio(false); cin.tie(0); int h, w; cin >> h >> w; vector s(h); rep(i, h) cin >> s[i]; vector>> to(h * w); constexpr int B = 1001001001; rep(i, h) rep(j, w - 1) if (s[i][j] != '#' && s[i][j+1] != '#') { int u = i * w + j, v = u + 1; to[u].emplace_back(v, B); to[v].emplace_back(u, B); } rep(i, h - 1) rep(j, w) if (s[i][j] != '#' && s[i+1][j] != '#') { int u = i * w + j, v = u + w; to[u].emplace_back(v, 1); to[v].emplace_back(u, 1); } auto ans = dijkstra(to, 0)[h * w - 1]; if (ans == INF) { cout << "No\n"; return 0; } cout << "Yes\n"; cout << ans / B << ' ' << ans % B << '\n'; }