package main

import . "fmt"

func main() {
	var h,w,ni,nj,zi,zj int
	Scan(&h,&w,&ni,&nj,&zi,&zj)
	dt := []int{1, 0, -1, 0, 1}
	abs := func(x int) int {
		if x < 0 {
			return -x
		} else {
			return x
		}
	}
	for p, dj := range dt[1:] {
		di := dt[p]
		if abs(ni - zi + di)%2 == 1 && abs(nj - zj + dj)%2 == 1 {
			Println("Yes")
			return
		}
	}
	Println("No")
}