look

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