func_code_string: #include <bits/stdc++.h>   using namespace std;   int invertir(int n) {     int r = 0;     while (n > 0) {       r = r * 10 + (n % 10);       n = n / 10;     }     return r;   }   int main() {     int a, b;     cin >> a >> b;     cout << (a + invertir(b));     return 0;   }   