#include<bits/stdc++.h>
using namespace std;
#define ll long long
typedef pair<ll,ll> P;
#define M 1000000007
int main(){
  ll n,m;
  cin>>n>>m;
  if(m%2==0){
    if(n%2==0||(m/10+n)%2==0){
      cout<<"Yes"<<endl;
      return 0;
    }
  }
  cout<<"No"<<endl;
}