n=int(input())
ans = [0]*n     
ind = n-1
s=(1+n)*n//2
while 1 < ind:
    print(f'? {1} {ind}',flush = True)
    t=int(input())
    ans[ind] = s - t
    s = t
    ind -= 1

print(f'? {2} {3}',flush = True)
t=int(input())
ans[1]=t-ans[2]

ans[0] = (1+n)*n//2-sum(ans)    
print('!',*ans,flush=True)