def main():
  N=int(input())
  T=N*(N+1)//2
  P=[]
  for i in range(1,N):
    print(f"? {i+1} {N}")
    S=int(input())
    P.append(T-S)
    T-=S
  P.append(T)
  print("! ",end="")
  print(" ".join(map(str,P)))
  return

main()