n = int(input())
s = n*(n+1)//2
ans = []
now = 0
for i in range(n-1):
    if i == 0:
        print("?",2,n)
        l = int(input())
        ans.append(s-l)
        now = s-l
    else:
        print("?",1,i+1)
        l = int(input())
        ans.append(l-now)
        now = l
ans.append(s-now)
print("!",*ans)