func_code_string: #include <bits/stdc++.h>   using namespace std;   int main(void) {     long long a, b, c;     cin >> a >> b >> c;     long long flag = 1;     if (a == b) flag = 0;     cout << c * 2 + min(a, b) * 2 + flag << endl;     return 0;   }   