#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;

int main()
{
    ll cnt = 0;
    string s;
    cin >> s;
    while(s.size()){
        if ((s[s.size() - 1] - '0')&1) cnt++;
        if (cnt >= 2 && !((s[s.size() - 1] - '0')&1)){
            cout << "No" << endl;
            return 0;
        }
        s = s.substr(0, s.size()-1);
    }
    cout << ((cnt == 2) ? "Yes" : (cnt > 2) ? "Yes" : "No")<< endl;
}