func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     int a, b;     cin >> a >> b;     for (int i = 1; i <= a; ++i) cout << i <<    ;     cout << a + b + 1;     for (int i = a + b; i > a; --i) cout <<     << i;     return 0;   }   