N = int(input())
ans = [0]*N
S = N*(N+1)//2
t = S
print('?', 1, N-1, flush=True)
ans[-1] = S-int(input())
for i in range(N-2):
    print('?', i+2, N, flush=True)
    ans[i] = S-int(input())
    S -= ans[i]
ans[-2] = S-ans[-1]
print('!', *ans, flush=True)