#[macro_export]
macro_rules! setup {
    { mut $input:ident: SplitWhitespace $(,)? } => {
        use std::io::Read;
        let mut buf = String::new();
        std::io::stdin().read_to_string(&mut buf).ok();
        let mut $input = buf.split_whitespace();
    };
}

#[macro_export]
macro_rules! parse_next {
    ($str_iter:expr) => {
        $str_iter.next().unwrap().parse().ok().unwrap()
    };
}

#[allow(unused_imports)]
use std::collections::{HashMap, HashSet, VecDeque};

fn main() {
    setup! { mut input: SplitWhitespace };

    let _h: usize = parse_next!(input);
    let _w: usize = parse_next!(input);
    let n: (usize, usize) = (parse_next!(input), parse_next!(input));
    let z: (usize, usize) = (parse_next!(input), parse_next!(input));

    macro_rules! manhattan_distance {
        ($x:expr, $y:expr) => {{
            let x_1 = $x.0 as i64;
            let x_2 = $x.1 as i64;
            let y_1 = $y.0 as i64;
            let y_2 = $y.1 as i64;
            (x_1 - y_1).abs() + (x_2 - y_2).abs()
        }};
    }

    let ans = match (|| {
        if manhattan_distance!(n, z) % 2 != 0 {
            return true;
        }
        return false;
    })() {
        true => "Yes",
        false => "No",
    };

    println!("{}", ans);
}