func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int a, b;     cin >> a >> b;     stringstream ss;     ss << b;     string str;     str = ss.str();     reverse((str).begin(), (str).end());     stringstream ss1;     ss1 << str;     ss1 >> b;     cout << a + b << endl;   }   