// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
use std::arch::x86_64::_MM_FROUND_NEARBYINT;
// use core::num;
use std::cmp::*;
use std::fmt::*;
use std::hash::*;
use std::iter::FromIterator;
use std::*;
use std::{cmp, collections, fmt, io, iter, ops, str};
const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
const LINF: i64 = 2147483647;
const INF128: i128 = 1223372036854775807000000000000;
const MOD1: i64 = 1000000007;
const MOD9: i64 = 998244353;
const MOD: i64 = MOD9;
// const MOD: i64 = MOD2;
const UMOD: usize = MOD as usize;
const M_PI: f64 = 3.14159265358979323846;

// use proconio::input;
// const MOD: i64 = INF;

use cmp::Ordering::*;
use std::collections::*;

use std::io::stdin;
use std::io::stdout;
use std::io::Write;

macro_rules! p {
    ($x:expr) => {
        //if expr
        println!("{}", $x);
    };
}

macro_rules! vp {
    // vector print separate with space
    ($x:expr) => {
        println!(
            "{}",
            $x.iter()
                .map(|x| x.to_string())
                .collect::<Vec<_>>()
                .join(" ")
        );
    };
}

macro_rules! d {
    ($x:expr) => {
        println!("{:?}", $x);
    };
}
macro_rules! yn {
    ($val:expr) => {
        if $val {
            println!("Yes");
        } else {
            println!("No");
        }
    };
}

fn main() {
    solve();
}

// use str::Chars;
#[allow(dead_code)]
fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

#[allow(dead_code)]
fn readi() -> i64 {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    iter.next().unwrap().parse::<i64>().unwrap()
}

#[allow(dead_code)]
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}
#[allow(dead_code)]
fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> {
    (0..n).map(|_| read_vec()).collect()
}

#[allow(dead_code)]
fn readii() -> (i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}

#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

#[allow(dead_code)]
fn readff() -> (f64, f64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<f64>().unwrap(),
        iter.next().unwrap().parse::<f64>().unwrap(),
    )
}

fn readcc() -> (char, char) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<char>().unwrap(),
        iter.next().unwrap().parse::<char>().unwrap(),
    )
}

fn readuuu() -> (usize, usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}
#[allow(dead_code)]
fn readiiii() -> (i64, i64, i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}

#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

#[derive(Clone, Debug)]
struct MultiSet {
    set: BTreeSet<i64>,
    map: HashMap<i64, i64>,
}

impl MultiSet {
    fn new() -> MultiSet {
        MultiSet {
            set: BTreeSet::new(),
            map: HashMap::new(),
        }
    }

    ///multiset的に書き出し
    fn print(&self) {
        print!("{{ ");
        for x in &self.set {
            if let Some(&num) = self.map.get(x) {
                for _i in 0..num {
                    print!("{} ", x);
                }
            }
        }
        println!("}}");
    }

    ///重複許可挿入
    fn insert(&mut self, i: i64) -> Option<i64> {
        if let Some(_i) = self.set.get(&i) {
            //setにある
            *self.map.entry(i).or_insert(0) += 1;
        } else {
            //setにない
            self.set.insert(i);
            *self.map.entry(i).or_insert(0) += 1;
        }
        return Some(i);
    }

    ///1つ削除
    fn erase(&mut self, e: i64) -> Option<i64> {
        if let Some(_e) = self.set.get(&e) {
            //setにある
            *self.map.entry(e).or_insert(0) -= 1;
            if self.map[&e] == 0 {
                //なくなった
                self.set.take(&e);
            }
            return Some(e);
        } else {
            //setにない
            return None;
        }
    }

    ///最小値の取得
    fn get_min(&self) -> Option<i64> {
        if let Some(&m) = self.set.iter().nth(0) {
            return Some(m);
        } else {
            return None;
        }
    }

    ///最大値の取得
    fn get_max(&self) -> Option<i64> {
        if let Some(&m) = self.set.iter().last() {
            return Some(m);
        } else {
            return None;
        }
    }
}

fn dijkstra(graph: &Vec<Vec<(usize, usize)>>, start: usize, visit: &mut Vec<usize>) -> Vec<usize> {
    let mut dist = vec![INF as usize; graph.len()];
    let mut heap = BinaryHeap::new();
    heap.push(Reverse((0 as usize, start)));
    dist[start] = 0;
    while let Some(Reverse(x)) = heap.pop() {
        let cost = x.0;
        let v = x.1;
        visit.push(v + 1);
        if cost > dist[v] {
            continue;
        }
        for edge in &graph[v] {
            let nc = cost + edge.1;
            let nv = edge.0;
            if nc < dist[nv] {
                heap.push(Reverse((nc, nv)));
                dist[nv] = nc;
            }
        }
    }
    return dist;
}

fn solve() {
    let n: usize = read();
    println!("? {}", 1);
    let init: usize = read();
    let f = |x: i64| -> bool {
        println!("? {}", x);
        let y: usize = read();
        return y - init == x as usize - 1;
    };

    let mut ok = 0;
    let mut ng = n as i64;
    let mut cnt = 0;
    while cnt < 9 {
        let mid = (ok + ng) / 2;
        if f(mid) {
            ok = mid;
        } else {
            ng = mid;
        }
        cnt += 1;
    }
    if ok == n as i64 - 1 {
        println!("No"); //不要？
        return;
    }
    println!("Yes {} {}", ok + 1, ok + 2);
    return;
}