n = int(input())
ans = [-1]*n
now = n*(n+1)//2
for i in range(1,n-1):
  print("?",i+1,n)
  tmp = int(input())
  ans[i-1] = now - tmp
  now = tmp
print("?", 1, n-1)
tmp = int(input())
ans[-1] =  n*(n+1)//2 - tmp
ans[-2] = n*(n+1)//2 - sum(ans) - 1
print("!",*ans)