#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main(void){
    int a,b,c,d,ans=0;
    cin>>a>>b;
    if(a%2==0 && b%2==0){
        cout<<"Yes"<<endl;
    }else if(a%2==1 && (b-10)>=0 && (b-10)%2==0){
        cout<<"Yes"<<endl;
    }else{
        cout<<"No"<<endl;
    }
}