#[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));

    let ans = match (|| {
        if z == (1, 1) {
            if n == (1, 2) {
                return true;
            }
            if n == (3, 2) {
                return true;
            }
            if n == (2, 1) {
                return true;
            }
            if n == (2, 3) {
                return true;
            }
        }
        if z == (1, w) {
            if n == (1, w - 1) {
                return true;
            }
            if n == (3, w - 1) {
                return true;
            }
            if n == (2, w - 2) {
                return true;
            }
            if n == (2, w) {
                return true;
            }
        }
        if z == (h, 1) {
            if n == (h - 2, 2) {
                return true;
            }
            if n == (h, 2) {
                return true;
            }
            if n == (h - 1, 1) {
                return true;
            }
            if n == (h - 1, 3) {
                return true;
            }
        }
        if z == (h, w) {
            if n == (h - 2, w - 1) {
                return true;
            }
            if n == (h, w - 1) {
                return true;
            }
            if n == (h - 1, w - 2) {
                return true;
            }
            if n == (h - 1, w) {
                return true;
            }
        }
        return false;
    })() {
        true => "Yes",
        false => "No",
    };

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