#include <bits/stdc++.h>

using namespace std;
#define rep(i,n) for(long long i=0;i<n;++i)
#define rep1(i,n) for(long long i=1;i<=n;++i)
#define rrep(i,n) for(long long i=n-1;i>=0;--i)
#define debug(output) if(debugFlag)cout<<#output<<"= "<<output<<endl
using lint = long long;
typedef pair<int,int> P;
const bool debugFlag=true;
const lint linf=1.1e18;const lint inf=1.01e9;
constexpr int MOD=1000000007;
template<class T>bool chmax(T &a, const T &b) { if(a < b){ a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if(a > b){ a = b; return 1; } return 0; }

signed main(){
  lint h,w;cin>>h>>w;
  int a,b;cin>>a>>b;
  int c,d;cin>>c>>d;
  if((a+b)%2!=(c+d)%2){
    cout<<"Yes"<<endl;
  }
  else{
    cout<<"No"<<endl;
  }
  return 0;
}