#include using namespace std; int ask(int x, int y, int z) { int d; cout << "?" << " " << x << " " << y << " " << z << endl; cin >> d; return d; } void answer(int x, int y, int z) { cout << "!" << " " << x << " " << y << " " << z << endl; } int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int l=-100,r=101,mid,x,y,z; auto upd=[&](int a,int b){ return (a>=0?a/b:(a-b+1)/b); }; while(l