#include #define FOR(i,a,b) for (int i=(a);i<(b);i++) #define FORR(i,a,b) for (int i=(a);i>=(b);i--) #define pb push_back #define pcnt __builtin_popcount #define show(x) cout<<#x<<" = "< pii; typedef vector vi; typedef vector vvi; typedef vector vpii; typedef set si; typedef pair pll; typedef vector vl; typedef vector vvl; typedef vector vpll; typedef set sl; templatestring join(vector&v) {stringstream s;FOR(i,0,sz(v))s<<' '<b)swap(a,b);for(;a>0;b%=a,swap(a,b));return b;} int modpow(ll a,ll n,int m){if(a==0)return a;ll p=1;for(;n>0;n/=2,a=a*a%m)if(n&1)p=p*a%m;return(int)p;} void dout(double d){printf("%.12f\n",d);} const int iinf = 1e9; const ll linf = 1e18; const int mod = 1e9+7; const double pi = acos(-1); const double eps = 1e-10; typedef pair pdd; int m; vpll q; pll a1, a2; pll ask(ll x, ll y){ ll rx, ry; cout << "? " << x << " " << y << endl; cin >> rx >> ry; return mp(rx, ry); } main(){ cin.tie(0); ios::sync_with_stdio(false); cin >> m; FOR(i, 0, m){ ll x, y; cin >> x >> y; q.pb(mp(x,y)); } a1 = ask(0ll, 0ll); a2 = ask(1ll, 0ll); ll _cos, _sin, dx, dy; dx = a1.fi; dy = a1.se; _cos = a2.fi - dx; _sin = a2.se - dy; cout << "!" << endl; each(itr, q) cout << _cos * itr->fi - _sin * itr->se + dx << " " << _sin * itr->fi + _cos * itr->se + dy << endl; return 0; }