print("? 100")
p = int(input())

if p == 99:
    print("!", 99, 100)
    exit()

#A + 100 = kB + p
#A + 100 - (p+1) = (k-1)B + B-1

y = 99 - p
print("?", y)
B = int(input())
B += 1

A = (p - 100) % B

print("!", A, B)