TIJIE

#include <bits/stdc++.h>
using namespace std;
bool is_pal(int n)
{
    int sum=0;
    int t=n;
    while(t)
    {
        sum=sum*10+t%10;
        t/=10;
    }
    if(sum==n) return true;
    else return false;
}
int main()
{
	int n;
    cin>>n;
    if(is_pal(n)) cout<<"Yes";
    else cout<<"No";
}