题解

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