#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long long ull;
constexpr int dx[]={1,0,0,-1},dy[]={0,1,-1,0};
constexpr int Dx[]={1,1,0,-1,-1,-1,0,1},Dy[]={0,1,1,1,0,-1,-1,-1};
constexpr int mod=998244353,Mod=1e9+7,inf=Mod;
constexpr ll linf=(ll)inf*inf;
//*
#include<atcoder/all>
using namespace atcoder;
//*/
int sum[1001],ans[1001];
int main(){
	int n,S;
	cin>>n;
	sum[n]=(n+1)*n/2;
	for(int i=n-1;i>=2;i--){
		cout<<"? "<<1<<' '<<i<<endl;
		cin>>sum[i];
		ans[i]=sum[i+1]-sum[i];
	}
	cout<<"? "<<2<<' '<<3<<endl;
	cin>>S;
	ans[0]=sum[3]-S;
	ans[1]=sum[2]-ans[0];
	cout<<'!';
	for(int i=0;i<n;i++)
		cout<<' '<<ans[i];
	cout<<endl;
}