1+1=3！！！！！！！！！！！！！！！

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