题解

#include<iostream>
#include<cmath>
using namespace std;
int f(int i){
  int sum=0,t=i;
    while(t!=0){
        sum=sum*10+t%10;
        t/=10;
    }
    if(sum==i){
        return 1;
    }else {
         return 0;
    }
 
}
int main(){
int a;
    cin >> a;
    if(f(a)==1){
        cout << "Yes";
    }else{
        cout << "No";
    }
    return 0;
}