n = int(input())
cnt = []
class nibutan():
    def __init__(self):
        self.n = n
    def __len__(self):
        return self.n
    def __getitem__(self,x):
        cnt.append(0)
        print('?',x+1,flush=True)
        z = int(input())
        if z < x+1:
            return 1
        else:
            return 0
import bisect
ans = bisect.bisect_right(nibutan(),0)
while len(cnt) != 10:
    cnt.append(0)
    print('?',1,flush=True)
    z = int(input())
print('Yes',ans,ans+1,flush=True)