#include<bits/stdc++.h>
using namespace std;
int huiwen(int a)
{
	int sum = 0;
	int b = a;
	while(a>0)
	{
		sum*=10;
		sum+= a % 10;
		a /= 10;
	}
	if(sum == b) return 1;
	else return 0;
}
int main()
{
	int a;
	while(cin>>a){
		if(huiwen(a) == 1) cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}
	return 0; 
 }