N = int(input())
S = (N * (N+1))//2
ANS = ['!']
for l in range(2,N):
    tmp = ['?',l,N]
    print(*tmp)
    s = int(input())
    ANS.append(S-s)
    S-=ANS[-1]
tmp = ['?',1,N-1]
print(*tmp)
s = int(input())
last = ((N * (N+1))//2 -s)
ANS.append(S-last)
ANS.append(last)
print(*ANS)