#include <iostream>
#include <vector>
using namespace std;
int main(){
	int m;
	cin >> m;
	vector<int> x(m), y(m);
	for(int i=0; i<m; i++){
		cin >> x[i] >> y[i];
	}

	vector<int> x_(m), y_(m);
	for(int i=0; i<m; i++){
		cout << "? " << x[i] << " " << y[i] << endl;
		cin >> x_[i] >> y_[i];
	}

	cout << "!" << endl;
	for(int i=0; i<m; i++){
		cout << x_[i] << " " << y_[i] << endl;
	}
	return 0;
}