#include <bits/stdc++.h> 
using namespace std;
using ll =long long;
#define all(v) v.begin(),v.end()
 #define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)

int main() {
   ll H,W;cin>>H>>W;
    ll a,b,c,d;cin>>a>>b>>c>>d;
    if((abs(a-c)+abs(b-d))%2!=0) {
        cout<<"Yes"<<endl;
    }
    else {
        cout<<"No"<<endl;
    }
    }