func_code_string: #include <bits/stdc++.h>   using namespace std;   long long paw[30];   void pw() {     paw[0] = 1;     for (int i = 1; i < 20; i++) paw[i] = 10 * paw[i - 1];   }   long long rev(long long a) {     long long ret = 0;     vector<int> v;     while (a > 0) {       v.push_back(a % 10);       a /= 10;     }     for (int i = 0; i < v.size(); i++) ret += (v[i] * paw[v.size() - i - 1]);     return ret;   }   int main() {     long long a1, a2;     cin >> a1 >> a2;     pw();     cout << a1 + rev(a2) << endl;     return 0;   }   