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-2):
  m=ask(i+1,n-1)
  ans[i]=sm-m
  sm=m

m=ask(0,n-2)
ans[-2]=m-sum(ans)
ans[-1]=n*(n+1)//2-sum(ans)
print('!',*ans)
exit()