#include <functional> #include <vector> #include <cstdio> template<typename T,typename F> T ternarysearch(T lo,T hi,const T eps,const F &predicate){ for(;lo+eps<hi;){ T mi=(lo+hi)/2; if(predicate(mi)>predicate(mi-eps)){ hi=mi; }else{ lo=mi; } } return lo; } template<typename T,typename F> T ternarysearch(T lo,T hi,const F &predicate){return ternarysearch(lo,hi,(T)1,predicate);} int Q(const std::vector<int>&v){ printf("?"); for(auto &e:v)printf(" %d",e); puts(""); fflush(stdout); int n; scanf("%d",&n); return n; } int main(){ std::vector<int>v(3); for(int i=0;i<3;i++)v[i]=ternarysearch(-150,151,[&](int n){ std::vector<int>a(3); a[i]=n; return Q(a); }); printf("!"); for(auto &e:v)printf(" %d",e); puts(""); }