#include <bits/stdc++.h> using namespace std; #ifdef local #include <debug.hpp> #else #define debug(...) #endif #define rep(i, n) for (int i = 0; i < n; i++) template <class T> istream& operator>>(istream& I, vector<T>& V) {for (T& X : V) I >> X; return I;} template <class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;} template <class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;} vector<int> di = {-1, 1, 0, 0}, dj = {0, 0, -1, 1}; int inf = 2e9; long INF = 1e18; int main() { int h, w; cin >> h >> w; vector<pair<int, int>> c; rep(i, h) rep(j, w) c.emplace_back(i + 1, j + 1); int qi = h, qj = w; while (true) { cout << "? " << qi << " " << qj << endl; long d; cin >> d; if (d == -1) exit(0); vector<pair<int, int>> nc; for (auto [i, j] : c) { if ((long)(qi - i) * (qi - i) + (long)(qj - j) * (qj - j) == d) { nc.emplace_back(i, j); } } if (nc.size() == 1) { auto [i, j] = nc[0]; cout << "! " << i << " " << j << endl; break; } else { if (qi != 1) qi /= 2; else qj /= 2; } swap(c, nc); } return 0; }