#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include #define rep(i,n) for(int i=0;i<(n);i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) ((int)(x).size()) #define pb push_back using ll = long long; using namespace std; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b p={0,0}; vector q={0,1}; vector D(2); rep(i,2){ cout << "? " << p[i] << " " << q[i] << endl; cin >> D[i]; } rep(i,101){ rep(j,101){ int ok = 1; rep(k,2){ if(!dist(i,j,p[k],q[k],D[k])) ok=0; } if(ok){ cout << "! " << i << " " << j << endl; return 0; } } } return 0; }