#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n; cin >> n;
    int m = 0; 
    int nn = n;
    while ( nn ) m = m * 10 + (nn % 10), nn /= 10;
    if ( m == n ) puts("Yes");
    else puts("No");
    return 0;
}