#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll=long long;
int main(){
    int n,m;
    cin>>n>>m;
    string ans="No";
    if(n%2==0&&m%2==0){
        ans="Yes";
    }
    else if(n%2!=0&&m%10==0){
        ans="Yes";
    }
    cout<<ans<<endl;
}