import sys
input = sys.stdin.readline

N=int(input())


SUM=(N+1)*N//2

ANS=[0]*N

NOW=SUM
for i in range(N-2):
    print("?",i+2,N,flush=True)
    x=int(input())

    ANS[i]=NOW-x
    NOW-=ANS[i]
    
    
print("?",N-2,N-1,flush=True)
x=int(input())

ANS[-2]=x-ANS[-3]
ANS[-1]=SUM-sum(ANS)

print("!",*ANS,flush=True)