Wonderful Number

#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>
using namespace std ;
typedef long long ll ;

 void ABDEL3AL () {
     ios_base::sync_with_stdio(false) , cin.tie(nullptr) , cout.tie(nullptr) ;
     #ifndef ONLINE_JUDGE
     freopen("input.txt" , "r" ,stdin) , freopen("output.txt" , "w" , stdout) ;
     #endif
}

void is_wonderful (string s) {
     string t = s ;
     reverse(s.begin() , s.end()) ;
     if (s[0] == '0') cout << "YES" ;
     else if (s[s.size() - 1] % 2 && t == s) cout << "YES" ;
     else cout << "NO" ;

 }

int main() {
    ABDEL3AL() ;
    string s ;
    cin >> s ;
    is_wonderful (s) ;
    return 0;

}