print("? 1", flush=True)
y1 = int(input())
print("? 2", flush=True)
y2 = int(input())

if y1 == y2:
    A = 0
    B = y1 + 1
else:
    A = (y2 - y1) % (y2 + 1)
    B = y2 + 1

print(f"! {A} {B}", flush=True)