func_code_string: #include <bits/stdc++.h>   using namespace std;   string tostr(long long x) {     stringstream ss;     ss << x;     return ss.str();   }   long long toint(string &s) {     stringstream ss;     ss << s;     long long x;     ss >> x;     return x;   }   int main() {     long long a1, a2, tmp, arr[20], sum, j;     string st1;     scanf( %lld %lld , &a2, &a1);     st1 = tostr(a1);     reverse(st1.begin(), st1.end());     tmp = a2 + toint(st1);     printf( %lld , tmp);     return 0;   }   