N = int(input())
S = [0 for _ in range(N+1)]
S[N] = N*(N+1)//2
C = [0 for _ in range((N))]
for i in range(N-1):
    if i==N-2:
        print(f"? 2 {N}", flush=True)
        s = int(input())
        S[1] = S[N]-s
        C[0] = S[1]-S[0]
    else:
        print(f"? 1 {N-1-i}", flush=True)
        s = int(input())
        S[N-1-i] = s
        C[N-1-i] = S[N-i]-S[N-1-i]
C[1] = S[2]-S[1]
print("!", *C, flush=True)