#![allow(unused_imports)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;
use std::ops::Bound::*;

#[allow(unused_macros)]
macro_rules! debug {
    ($($e:expr),*) => {
        #[cfg(debug_assertions)]
        $({
            let (e, mut err) = (stringify!($e), std::io::stderr());
            writeln!(err, "{} = {:?}", e, $e).unwrap()
        })*
    };
}

fn main() {
    let v = read_vec::<i64>();
    let (h, w) = (v[0], v[1]);
    let v = read_vec::<i64>();
    let (x0, y0) = (v[0], v[1]);
    let v = read_vec::<i64>();
    let (x1, y1) = (v[0], v[1]);

    let dist = (x1 - x0).abs() + (y1 - y0).abs();

    let min_hw = min(h, w);
    if min_hw == 1 {
        println!("No");
    } else {
        if dist % 2 == 1 {
            println!("Yes");
        } else {
            println!("No");
        }
    }
}

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()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}