def question(l, r):
    print("?", l+1, r+1)
    return int(input())

def answer(P):
    print("!", *P)

N = int(input())

ans = [((1+N)*N//2)-question(1, N-1)]
SUM = ans[0]
for i in range(1, N-1):
    ans.append(question(0, i)-SUM)
    SUM += ans[-1]
ans.append(((1+N)*N//2)-SUM)

answer(ans)