#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    char a[10000],b[10000];
    cin>>a>>b;
    if (a[0]!='-'){
        cout<<"Yes";
    }else{
        if (b[strlen(b)-1]=='0'){
            cout<<"Yes";
        }else{
            cout<<"No";
        }
    }
    cout<<endl;
    if (((a[strlen(a)-1]-'0')%2==0)||((b[strlen(b)-1]-'0')%2==0)){
        cout<<"No";
    }else{
        cout<<"Yes";
    }
    return 0;
}