import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        String result="";
        long coin100=sc.nextLong();
        long coin10=sc.nextLong();
        if(coin100%2==0 && coin10%2==0){
            result="Yes";
        }else if(coin100%2==0 && coin10%2==1){
            result="No";
        }else if(coin100%2==1 && coin10%2==0){
            if(coin10%10==0){
                result="Yes";
            }else{
                result="No";
            }
        }else{
            result="No";
        }
        
        
        System.out.println(result);
    }
}