#include<iostream>
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;

int main() {
    int n, m;
    cin >> n >> m;

    n += m/10;
    m = m%10;

    if(n%2==0 && m%2==0) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
    
}