func_code_string: #include <bits/stdc++.h>   using namespace std;   struct _ {     ios_base::Init i;     _() {       cin.sync_with_stdio(0);       cin.tie(0);     }   } _;   const int MAXN = -1;   int n, m;   int main() {     int a, b;     cin >> a >> b;     int 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 <<    ;     cout << endl;     return 0;   }   