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