#include <iostream>
#include <set>
#include <string.h>
using namespace std;

int main() {
	// your code goes here
	int n;
	long long int all=0;
	set<long long int> ss;
	
	cin>>n;
	for(int i=1;i<=n;i++){
		all+=i;
		ss.insert(i);
	}
	long long int ans[1003],ds[1003];
	memset(ans,0,sizeof(ans));
	memset(ds,0,sizeof(ds));
	long long int t;
	for(int i=2;i<n;i++){
		cout<<"? "<<i<<" "<<n<<endl;
		cout<<flush;
		cin>>t;
		ds[i]=t;
		ans[i-1]=all-t;
		all-=ans[i-1];
		ss.erase(ans[i-1]);
	}
	cout<<"? "<<n-2<<" "<<n-1<<endl;
	cout<<flush;
	cin>>t;
	ans[n-1]=t-ans[n-2];
	ss.erase(ans[n-1]);
	ans[n]=(*(ss.begin()));
	cout<<"!";
	for(int i=1;i<=n;i++){
		cout<<" "<<ans[i];
	}
	cout<<endl;
	cout<<flush;
	return 0;
}