N = int(input())
ans = [0] * (N + 1)
total = N*(N + 1)//2

# 末尾のみ特定
print('?', 1, N - 1, flush=True)
res = int(input())
ans[N] = total - res

rui = 0
for i in range(2, N):
    # ターンi は i-1 の答えが分かる

    print('?', i, N, flush=True)
    res = int(input())
    ans[i - 1] = total - res - rui
    rui += ans[i - 1]

# N - 1 を特定
ans[N - 1] = total - sum(ans)

print('!', *ans[1:], flush=True)