#include <iostream>
using namespace std;

int main(){
    
    int n,m;
    cin >> n >> m;
    
    if(n % 2)
        m -= 10;
    
    if(m % 2 || m < 0)
        cout << "NO" << "\n";
    else
        cout << "YES" << "\n";
    
    return 0;
}