import sys
input=lambda:sys.stdin.readline().rstrip()
N=int(input())
A=[0 for i in range(N)]
for i in range(1,N-1):
	print('?',1,i+1,flush=True)
	A[i]=int(input())
print('?',2,N,flush=True)
A[0]=N*(N+1)//2-int(input())
A[N-1]=N*(N+1)//2
for i in range(N-1,0,-1):
	A[i]-=A[i-1]
print('!',*A)