#include <bits/stdc++.h> using namespace std; using ll = long long; int main(){ ios::sync_with_stdio(false); cin.tie(0); int h, w, d; cin >> h >> w; cout << "? 1 1" << endl; cin >> d; vector<pair<int,int>> cand, cand2; for(int y = 1; y <= h; y++){ for(int x = 1; x <= w; x++){ if((y - 1) * (y - 1) + (x - 1) * (x - 1) == d){ cand.emplace_back(y, x); } } } if(cand.size() == 1){ auto [y, x] = cand[0]; cout << "! " << y << ' ' << x << endl; return 0; } if(h != 1){ cout << "? " << h << ' ' << 1 << endl; cin >> d; for(auto [y, x] : cand){ if((y - h) * (y - h) + (x - 1) * (x - 1) == d){ cand2.emplace_back(y, x); } } }else{ cout << "? " << 1 << ' ' << w << endl; cin >> d; for(auto [y, x] : cand){ if((y - 1) * (y - 1) + (x - w) * (x - w) == d){ cand2.emplace_back(y, x); } } } swap(cand, cand2); if(cand.size() == 1){ auto [y, x] = cand[0]; cout << "! " << y << ' ' << x << endl; return 0; } cand2.clear(); cout << "? " << 1 << ' ' << w << endl; cin >> d; for(auto [y, x] : cand){ if((y - 1) * (y - 1) + (x - w) * (x - w) == d){ cand2.emplace_back(y, x); } } swap(cand, cand2); if(cand.size() == 1){ auto [y, x] = cand[0]; cout << "! " << y << ' ' << x << endl; return 0; } assert(false); }