N = int(input())
all_sum = (N * (1 + N)) // 2

P = []
ever_sum = 0

for l in range(2, N):
    print(f"? {l} {N}")
    kukanwa = int(input())
    P.append(all_sum - kukanwa - ever_sum)
    ever_sum += P[-1]

print(f"? {1} {N - 1}")
kukanwa = int(input())
P.append(all_sum - kukanwa)    

print("!" , *P)