N = int(input())

L = ["!"]
S = (1+N)*(N)//2
print("?",2,N,flush=True)
a = int(input())
L.append(S-a)
R = L[-1]
for i in range(N-2):
    print("?",1,2+i,flush=True)
    s = int(input())
    L.append(s-R)
    R += L[-1]

L.append(S-R)
print(*L)