tijie

#include<iostream>
using namespace std;
int main(){
    int a;
    cin>>a;
    int n=a,m=0;
    while(n!=0){
        m=m*10+n%10;
        n/=10;
    }if(a==m){
        cout<<"Yes";
    }else{
        cout<<"No";
    }
    return 0;
}