#include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int main(){ int i,g,s,b,o=0; cin>>i; o=i; while(o!=0){ g=o%10; s=s*10+g; o=o/10; } if(s==i){ cout<<"Yes"<<endl; } else{ cout<<"No"<<endl; } return 0; }