N = int(input())

sm = sum(range(N + 1))

print('?', 2, N)
start = sm - int(input())

print('?', 1, N - 1)
end = sm - int(input())

middle = []
prev = start
l = 1
for r in range(2, N - 2):
    print('?', l, r)
    S = int(input())
    middle.append(S - prev)
    prev = S
middle.append(sm - (start + sum(middle) + end))

print('!', start, *middle, end)