N = int(input())

print('?', 1, 2)
prev = int(input())
ans = []
used = [False] * (N + 1)
l = 1
for r in range(3, N + 1):
    print('?', l, r)
    S = int(input())
    ans.append(S - prev)
    used[S - prev] = True
    prev = S
    
first = []
for i in range(1, N + 1):
    if not used[i]:
        first.append(i)
        
print('!', *first, *ans)