func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n;     cin >> n;     while (n % 10 == 0) n /= 10;     stringstream ss;     ss << n;     string str = ss.str();     string tmp = str;     reverse(tmp.begin(), tmp.end());     if (str == tmp)       cout <<  YES  << endl;     else       cout <<  NO  << endl;     return 0;   }   