#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <map>
#include <set>
#include <queue>
#include <iomanip>
#include <cstring>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
#define rep(i,n) for (int i = 0; i < int(n);i++)

int main(){
  int h,w,x1,y1,x2,y2;
  cin >> h >> w >> x1 >> y1 >> x2 >> y2;
  int dx[4] = {0,1,-1,0};
  int dy[4] = {1,0,0,-1};
  if (h == 1 || w == 1){
    cout << "Yes" << endl;
    return 0;
  }
  
  for (int i = 0; i < 4;i++){
    int nx = x1 + dx[i];
    int ny = y1 + dy[i];
    if (1 <= nx && nx <= h && 1 <= ny && ny <= w && nx == x2 && ny == y2){
      cout << "Yes" << endl;
      return 0;
    }
  }
  if (h == 2){
    if (w%2 == 1) {
      cout << "Yes" << endl;
      return 0;
    }
  }
  else if (w == 2){
    if (h%2 == 0) {
      cout << "Yes" << endl;
      return 0;
    }
    
  }
  cout << "No" << endl;
  return 0;
}