def quest(l,r):
    print("?",l,r,flush=True)
    return int(input())

def answer(P):
    print("!",*P[1:])
    exit()

def solve():
    N=int(input())

    P=[0]*(N+1)
    old=N*(N+1)//2
    for i in range(1,N):
        new=quest(i+1,N)
        P[i]=old-new
        old=new
    P[N]=N*(N+1)//2-sum(P)
    answer(P)

#==================================================
print(solve())