/* -*- coding: utf-8 -*-
 *
 * 1714.cc:  No.1714 Tag on Grid - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int h, w, y0, x0, y1, x1;
  scanf("%d%d%d%d%d%d", &h, &w, &y0, &x0, &y1, &x1);

  int d = (abs(y1 - y0) + abs(x1 - x0)) & 1;

  if (d) puts("Yes");
  else puts("No");
  return 0;
}