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

print(f"? 100", flush=True)
y2 = int(input())

for a in range(0, 100):
    for b in range(a+1, 101):
        if (a+1)%b==y1 and (a+100)%b==y2:
            print(f"! {a} {b}")
            exit()