#include <bits/stdc++.h>
#define int long long

using namespace std;

signed main()
{
    int n; cin >> n;
    string s = to_string(n);
    
    bool Check = true;

    for (int i = 0; i < s.size() / 2; i ++)
    {
        if (s[i] != s[s.size() - i - 1])
        {
            Check = false;
            break;
        }
    }
    
    if (Check) cout << "Yes";
    else cout << "No";
}