def ask(l,r):
  print('?',l+1,r+1,flush=True)
  return int(input())

n=int(input())
ans=[0]*n
sm=n*(n+1)//2
for i in range(n-1):
  m=ask(i+1,n-1)
  ans[i]=sm-m
  sm=m
ans[-1]=sm
print('!',*ans)
exit()