func_code_string: #include <bits/stdc++.h>   using namespace std;   string CHECK(long long n) {     long long t, temp = n, zero = 0, ans = 0, flag = 0;     while (temp != 0) {       t = temp % 10;       if (t == 0 && flag == 0)         zero++;       else {         flag = 1;         ans *= 10;         ans += t;       }       temp /= 10;     }     if (zero != 0) {       while (zero != 0) {         ans *= 10;         zero--;       }     }     if (n == ans)       return  YES ;     else       return  NO ;   }   int main() {     long long n;     cin >> n;     cout << CHECK(n) << endl;   }   