n = int(input())
s = 0
a = [0] * n
b = [0] * n
b[n - 1] = n * (n + 1) // 2
for i in range(n - 2):
    print('?', 1, i + 2)
    b[i + 1] = int(input())
print('?', 2, n)
b[0] = n * (n + 1) // 2 - int(input())
a[0] = b[0]
for i in range(n - 1):
    a[i + 1] = b[i + 1] - b[i]
print('!', *a)