太easy了

简单
难

#include<iostream>
#include <bits/stdc++.h>
using namespace std;
bool is_pal(int a){
    int x=0,y=a;
    string num2;
    string str_num = std::to_string(a); 
    num2=str_num;
    reverse(str_num.begin(), str_num.end()); 
    if(str_num==num2){
        return true;
    }else{
        return false;
    }
}
int main() {
	int n;
	cin >> n;
	if(is_pal(n)) cout << "Yes" << endl;
	else cout << "No" << endl;
    
   return 0;
}